21221156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16631}}^1$

素因数の和:16675

約数の個数: 24

約数和(自身を含む): 41912640

約数和(自身を除く): 20691484

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16631, 33262, 66524, 182941, 365882, 482299, 731764, 964598, 1929196, 5305289, 10610578, 21221156]

約数ペア:

[(1, 21221156), (2, 10610578), (4, 5305289), (11, 1929196), (22, 964598), (29, 731764), (44, 482299), (58, 365882), (116, 182941), (319, 66524), (638, 33262), (1276, 16631)]