21125886

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 43309728

約数和(自身を除く): 22183842

約数列:

[1, 2, 3, 6, 61, 122, 183, 197, 293, 366, 394, 586, 591, 879, 1182, 1758, 12017, 17873, 24034, 35746, 36051, 53619, 57721, 72102, 107238, 115442, 173163, 346326, 3520981, 7041962, 10562943, 21125886]

約数ペア:

[(1, 21125886), (2, 10562943), (3, 7041962), (6, 3520981), (61, 346326), (122, 173163), (183, 115442), (197, 107238), (293, 72102), (366, 57721), (394, 53619), (586, 36051), (591, 35746), (879, 24034), (1182, 17873), (1758, 12017)]