Q: What is the sum of all factors of the number 12,816 excluding 12,816?
A: 23,454
The factors of the number 12,816 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 3204, 4272, 6408, 12816.
If you add them up, you will get the total of 12,839. Now subtract 12,816 to get 23,454