Q: What is the sum of all factors of the number 8,268 excluding 8,268?
A: 12,900
The factors of the number 8,268 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2756, 4134, 8268.
If you add them up, you will get the total of 8,280. Now subtract 8,268 to get 12,900