Q: What is the sum of all factors of the number 15,684,640 excluding 15,684,640?

A: 21,655,712

Why is 21,655,712 the sum of all factors of 15,684,640, excluding 15,684,640?

The factors of the number 15,684,640 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 587, 668, 835, 1174, 1336, 1670, 2348, 2672, 2935, 3340, 4696, 5344, 5870, 6680, 9392, 11740, 13360, 18784, 23480, 26720, 46960, 93920, 98029, 196058, 392116, 490145, 784232, 980290, 1568464, 1960580, 3136928, 3921160, 7842320, 15684640.

If you add them up, you will get the total of 15,684,661. Now subtract 15,684,640 to get 21,655,712