21347612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37321}}^1$

素因数の和:37349

約数の個数: 24

約数和(自身を含む): 43890672

約数和(自身を除く): 22543060

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37321, 74642, 149284, 410531, 485173, 821062, 970346, 1642124, 1940692, 5336903, 10673806, 21347612]

約数ペア:

[(1, 21347612), (2, 10673806), (4, 5336903), (11, 1940692), (13, 1642124), (22, 970346), (26, 821062), (44, 485173), (52, 410531), (143, 149284), (286, 74642), (572, 37321)]