Q: What is the sum of all factors of the number 42,021,405 excluding 42,021,405?
A: 30,815,775
The factors of the number 42,021,405 are: 1, 3, 5, 9, 15, 45, 933809, 2801427, 4669045, 8404281, 14007135, 42021405.
If you add them up, you will get the total of 42,021,435. Now subtract 42,021,405 to get 30,815,775