21717825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9341}}^1$

素因数の和:9385

約数の個数: 24

約数和(自身を含む): 37069056

約数和(自身を除く): 15351231

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 9341, 28023, 46705, 140115, 233525, 289571, 700575, 868713, 1447855, 4343565, 7239275, 21717825]

約数ペア:

[(1, 21717825), (3, 7239275), (5, 4343565), (15, 1447855), (25, 868713), (31, 700575), (75, 289571), (93, 233525), (155, 140115), (465, 46705), (775, 28023), (2325, 9341)]