21656674

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3769}}^1$

素因数の和:3814

約数の個数: 24

約数和(自身を含む): 37255140

約数和(自身を除く): 15598466

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 3769, 5746, 7538, 48997, 64073, 97994, 128146, 636961, 832949, 1273922, 1665898, 10828337, 21656674]

約数ペア:

[(1, 21656674), (2, 10828337), (13, 1665898), (17, 1273922), (26, 832949), (34, 636961), (169, 128146), (221, 97994), (338, 64073), (442, 48997), (2873, 7538), (3769, 5746)]