I am not an expert either however this is what I did....

I filtered the address with the Sent transactions
https://www.blockchain.com/btc/address/3AiGej11G8jUXvEBPvQKPLiHXC7ruUCp1Z?filter=1

Scroll down and...

First sent was on 2017-07-01 19:06:18 Tx: https://www.blockchain.com/btc/tx/b478196f3a535f8a2a8a250ce1ebe97dabc97055bd1f2fd8798d7742185ad199
Amount 16.04376017 BTC to 34QigSdFmqDNSdCjZs5sSDQYYewDGh5LLd
If you trace the address then you will see Ultimately the fund comes back to the main address. I assume funds were sent to different addresses of the same wallet.
So, total received = 3,405.40731067 - 16.04376017 = 3389.3635505 BTC

2nd sent was on 2017-07-01 19:20:36 Tx: https://www.blockchain.com/btc/tx/ba568d7cf8c7ea025ad68b16960ac18cb23fc61abd0986ac7181c9d7a8fd02e8
Amount 0.57566755 BTC to 32DMGN7hiEG2gVYZt9gVVPgJTYhndx7GSv
Again after tracing the address the conclusion is sent to different addresses of the same wallet.
3389.3635505 - 0.57566755 = 3388.78788295 BTC

3rd sent was on 2017-07-01 19:31:44 Tx: https://www.blockchain.com/btc/tx/52b71cce22168c76c354ddbc17c9feb36439ef31ae8b0282e5a67a331bbe0c1d
Amount 0.00228457 BTC to 3KA7s4Nqw1KvksUY2KtpmzCEdxkfjQ22bH and 149ZiYcFKsjcT1S1Ef4WwAihXQxXQds1YA
I can not figure out the end of them so lets say they actually gone out.
So, we still have: 3388.78788295 BTC

4th sent was on 2017-07-01 20:33:40 Tx: https://www.blockchain.com/btc/tx/32cbb8f451c6129067fb40ac93628e8f6337c699c466a0336a6e5b9da0b38111
Amount 0.42851301 BTC to 36UNCAdXYUditQoyKJKfwszafnkKFCcAwQ
Eventually it came back to the same address
3388.78788295 - 0.42851301 = 3388.35936994 BTC

5th: 0.18467903 BTC
6th: 0.05086859 BTC
7th: 0.04060566 BTC
8th: 0.05862002 BTC
9th: 0.0086241 BTC
10th: 0.03419528 BTC
11th: 0.00701132 BTC
12th: 0.00927396 BTC
13th: 0.01638622 BTC
14th: 0.01053424 BTC
15th: 0.00536235 BTC
16th: 0.00096287 BTC
17th: 0.00255258 BTC
18th: 0.00036839 BTC
19th: 0.01025788 BTC
===================================
Total: 0.44030249 BTC

3388.35936994 - 0.44030249 = 3387.91906745 BTC

After exploring 20th tx it seems 1,497.22395444 BTC came back to the same address.
3387.91906745 - 1497.22395444 = 1890.69511301 BTC

21st tx eventually adds up to this tx. So, nothing to deduct.
22nd does the same. Again nothing to deduct.
23rd assuming it really gone out.
24th gone out as well.


So, if my manual checking is correct then the address (3AiGej11G8jUXvEBPvQKPLiHXC7ruUCp1Z) actually received 1890.69511301 (+/- 0.00228457) BTC in-total.

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PS: Guys, since this is a manual checking, I could even miss some of the transactions while I was tracing. So, don't consider it as a solid calculation of the received coins.