Q: What is the sum of all factors of the number 21,000,398 excluding 21,000,398?
A: 10,727,242
The factors of the number 21,000,398 are: 1, 2, 139, 278, 75541, 151082, 10500199, 21000398.
If you add them up, you will get the total of 21,000,408. Now subtract 21,000,398 to get 10,727,242