21798370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3739}}^1$

素因数の和:3810

約数の個数: 32

約数和(自身を含む): 43623360

約数和(自身を除く): 21824990

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3739, 5830, 7478, 18695, 37390, 41129, 82258, 198167, 205645, 396334, 411290, 990835, 1981670, 2179837, 4359674, 10899185, 21798370]

約数ペア:

[(1, 21798370), (2, 10899185), (5, 4359674), (10, 2179837), (11, 1981670), (22, 990835), (53, 411290), (55, 396334), (106, 205645), (110, 198167), (265, 82258), (530, 41129), (583, 37390), (1166, 18695), (2915, 7478), (3739, 5830)]