21065794

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:382

約数の個数: 24

約数和(自身を含む): 33741360

約数和(自身を除く): 12675566

約数列:

[1, 2, 19, 38, 163, 179, 326, 358, 361, 722, 3097, 3401, 6194, 6802, 29177, 58354, 58843, 64619, 117686, 129238, 554363, 1108726, 10532897, 21065794]

約数ペア:

[(1, 21065794), (2, 10532897), (19, 1108726), (38, 554363), (163, 129238), (179, 117686), (326, 64619), (358, 58843), (361, 58354), (722, 29177), (3097, 6802), (3401, 6194)]