Q: What is the sum of all factors of the number 21,016,145 excluding 21,016,145?
A: 4,203,235
The factors of the number 21,016,145 are: 1, 5, 4203229, 21016145.
If you add them up, you will get the total of 21,016,149. Now subtract 21,016,145 to get 4,203,235