Q: What is the sum of all factors of the number 8,424 excluding 8,424?
A: 16,986
The factors of the number 8,424 are: 1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424.
If you add them up, you will get the total of 8,440. Now subtract 8,424 to get 16,986