21547724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6199}}^1$

素因数の和:6293

約数の個数: 24

約数和(自身を含む): 41664000

約数和(自身を除く): 20116276

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 6199, 12398, 24796, 68189, 136378, 272756, 489721, 979442, 1958884, 5386931, 10773862, 21547724]

約数ペア:

[(1, 21547724), (2, 10773862), (4, 5386931), (11, 1958884), (22, 979442), (44, 489721), (79, 272756), (158, 136378), (316, 68189), (869, 24796), (1738, 12398), (3476, 6199)]