Q: What is the sum of all factors of the number 21,084 including 21,084?
A: 56,448
The factors of the number 21,084 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251, 502, 753, 1004, 1506, 1757, 3012, 3514, 5271, 7028, 10542, 21084.
If you add them up, you will get the total of 56,448.