Q: What is the sum of all factors of the number 21,858 excluding 21,858?
A: 21,870
The factors of the number 21,858 are: 1, 2, 3, 6, 3643, 7286, 10929, 21858.
If you add them up, you will get the total of 21,879. Now subtract 21,858 to get 21,870