Q: What is the sum of all factors of the number 21,120,135 excluding 21,120,135?
A: 12,672,105
The factors of the number 21,120,135 are: 1, 3, 5, 15, 1408009, 4224027, 7040045, 21120135.
If you add them up, you will get the total of 21,120,147. Now subtract 21,120,135 to get 12,672,105