Q: What is the sum of all factors of the number 21,401,243 excluding 21,401,243?
A: 18,037
The factors of the number 21,401,243 are: 1, 1277, 16759, 21401243.
If you add them up, you will get the total of 21,401,261. Now subtract 21,401,243 to get 18,037