Q: What is the sum of all factors of the number 400,414,521 including 400,414,521?

A: 601,816,320

Why is 601,816,320 the sum of all factors of 400,414,521, including 400,414,521?

The factors of the number 400,414,521 are: 1, 3, 13, 23, 39, 69, 299, 509, 877, 897, 1527, 2631, 6617, 11401, 11707, 19851, 20171, 34203, 35121, 60513, 152191, 262223, 446393, 456573, 786669, 1339179, 5803109, 10267039, 17409327, 30801117, 133471507, 400414521.

If you add them up, you will get the total of 601,816,320.