21493252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2531}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 41261472

約数和(自身を除く): 19768220

約数列:

[1, 2, 4, 11, 22, 44, 193, 386, 772, 2123, 2531, 4246, 5062, 8492, 10124, 27841, 55682, 111364, 488483, 976966, 1953932, 5373313, 10746626, 21493252]

約数ペア:

[(1, 21493252), (2, 10746626), (4, 5373313), (11, 1953932), (22, 976966), (44, 488483), (193, 111364), (386, 55682), (772, 27841), (2123, 10124), (2531, 8492), (4246, 5062)]