Q: What is the sum of all factors of the number 53,403 excluding 53,403?
A: 28,005
The factors of the number 53,403 are: 1, 3, 7, 21, 2543, 7629, 17801, 53403.
If you add them up, you will get the total of 53,431. Now subtract 53,403 to get 28,005