21045112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{631}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 43228800

約数和(自身を除く): 22183688

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 379, 631, 758, 1262, 1516, 2524, 3032, 4169, 5048, 6941, 8338, 13882, 16676, 27764, 33352, 55528, 239149, 478298, 956596, 1913192, 2630639, 5261278, 10522556, 21045112]

約数ペア:

[(1, 21045112), (2, 10522556), (4, 5261278), (8, 2630639), (11, 1913192), (22, 956596), (44, 478298), (88, 239149), (379, 55528), (631, 33352), (758, 27764), (1262, 16676), (1516, 13882), (2524, 8338), (3032, 6941), (4169, 5048)]