Q: What is the sum of all factors of the number 31,104 excluding 31,104?

A: 61,716

Why is 61,716 the sum of all factors of 31,104, excluding 31,104?

The factors of the number 31,104 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 288, 324, 384, 432, 486, 576, 648, 864, 972, 1152, 1296, 1728, 1944, 2592, 3456, 3888, 5184, 7776, 10368, 15552, 31104.

If you add them up, you will get the total of 31,165. Now subtract 31,104 to get 61,716