21151774

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{88873}}^1$

素因数の和:88899

約数の個数: 16

約数和(自身を含む): 38393568

約数和(自身を除く): 17241794

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 88873, 177746, 622111, 1244222, 1510841, 3021682, 10575887, 21151774]

約数ペア:

[(1, 21151774), (2, 10575887), (7, 3021682), (14, 1510841), (17, 1244222), (34, 622111), (119, 177746), (238, 88873)]