21907956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{260809}}^1$

素因数の和:260823

約数の個数: 24

約数和(自身を含む): 58421440

約数和(自身を除く): 36513484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 260809, 521618, 782427, 1043236, 1564854, 1825663, 3129708, 3651326, 5476989, 7302652, 10953978, 21907956]

約数ペア:

[(1, 21907956), (2, 10953978), (3, 7302652), (4, 5476989), (6, 3651326), (7, 3129708), (12, 1825663), (14, 1564854), (21, 1043236), (28, 782427), (42, 521618), (84, 260809)]