21427150

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{4243}}^1$

素因数の和:4356

約数の個数: 24

約数和(自身を含む): 40258584

約数和(自身を除く): 18831434

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 505, 1010, 2525, 4243, 5050, 8486, 21215, 42430, 106075, 212150, 428543, 857086, 2142715, 4285430, 10713575, 21427150]

約数ペア:

[(1, 21427150), (2, 10713575), (5, 4285430), (10, 2142715), (25, 857086), (50, 428543), (101, 212150), (202, 106075), (505, 42430), (1010, 21215), (2525, 8486), (4243, 5050)]