Q: What is the sum of all factors of the number 12,789 including 12,789?
A: 22,230
The factors of the number 12,789 are: 1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 4263, 12789.
If you add them up, you will get the total of 22,230.