21557150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14867}}^1$

素因数の和:14908

約数の個数: 24

約数和(自身を含む): 41481720

約数和(自身を除く): 19924570

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14867, 29734, 74335, 148670, 371675, 431143, 743350, 862286, 2155715, 4311430, 10778575, 21557150]

約数ペア:

[(1, 21557150), (2, 10778575), (5, 4311430), (10, 2155715), (25, 862286), (29, 743350), (50, 431143), (58, 371675), (145, 148670), (290, 74335), (725, 29734), (1450, 14867)]