21117343

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 23922976

約数和(自身を除く): 2805633

約数列:

[1, 13, 37, 43, 481, 559, 1021, 1591, 13273, 20683, 37777, 43903, 491101, 570739, 1624411, 21117343]

約数ペア:

[(1, 21117343), (13, 1624411), (37, 570739), (43, 491101), (481, 43903), (559, 37777), (1021, 20683), (1591, 13273)]