Q: What is the sum of all factors of the number 39,816 excluding 39,816?

A: 84,984

Why is 84,984 the sum of all factors of 39,816, excluding 39,816?

The factors of the number 39,816 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 79, 84, 126, 158, 168, 237, 252, 316, 474, 504, 553, 632, 711, 948, 1106, 1422, 1659, 1896, 2212, 2844, 3318, 4424, 4977, 5688, 6636, 9954, 13272, 19908, 39816.

If you add them up, you will get the total of 39,900. Now subtract 39,816 to get 84,984