21692671

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1667}}^1$

素因数の和:1711

約数の個数: 24

約数和(自身を含む): 29303424

約数和(自身を除く): 7610753

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1667, 1859, 11669, 13013, 18337, 21671, 128359, 151697, 238381, 281723, 1668667, 1972061, 3098953, 21692671]

約数ペア:

[(1, 21692671), (7, 3098953), (11, 1972061), (13, 1668667), (77, 281723), (91, 238381), (143, 151697), (169, 128359), (1001, 21671), (1183, 18337), (1667, 13013), (1859, 11669)]