Q: What is the sum of all factors of the number 21,405,103 excluding 21,405,103?
A: 738,137
The factors of the number 21,405,103 are: 1, 29, 738107, 21405103.
If you add them up, you will get the total of 21,405,841. Now subtract 21,405,103 to get 738,137