21349588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2719}}^1$

素因数の和:2887

約数の個数: 24

約数和(自身を含む): 40517120

約数和(自身を除く): 19167532

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2719, 3926, 5438, 7852, 10876, 35347, 70694, 141388, 410569, 821138, 1642276, 5337397, 10674794, 21349588]

約数ペア:

[(1, 21349588), (2, 10674794), (4, 5337397), (13, 1642276), (26, 821138), (52, 410569), (151, 141388), (302, 70694), (604, 35347), (1963, 10876), (2719, 7852), (3926, 5438)]