Q: What is the sum of all factors of the number 21,128 including 21,128?
A: 42,000
The factors of the number 21,128 are: 1, 2, 4, 8, 19, 38, 76, 139, 152, 278, 556, 1112, 2641, 5282, 10564, 21128.
If you add them up, you will get the total of 42,000.