21033364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11117}}^1$

素因数の和:11175

約数の個数: 24

約数和(自身を含む): 41092128

約数和(自身を除く): 20058764

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11117, 22234, 44468, 122287, 244574, 478031, 489148, 956062, 1912124, 5258341, 10516682, 21033364]

約数ペア:

[(1, 21033364), (2, 10516682), (4, 5258341), (11, 1912124), (22, 956062), (43, 489148), (44, 478031), (86, 244574), (172, 122287), (473, 44468), (946, 22234), (1892, 11117)]