Q: What is the sum of all factors of the number 13,405,891 excluding 13,405,891?
A: 52,421
The factors of the number 13,405,891 are: 1, 257, 52163, 13405891.
If you add them up, you will get the total of 13,405,943. Now subtract 13,405,891 to get 52,421