Q: What is the sum of all factors of the number 21,357,855 excluding 21,357,855?
A: 15,662,505
The factors of the number 21,357,855 are: 1, 3, 5, 9, 15, 45, 474619, 1423857, 2373095, 4271571, 7119285, 21357855.
If you add them up, you will get the total of 21,357,870. Now subtract 21,357,855 to get 15,662,505