21000307076

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4143707}}^1$

素因数の和:4143899

約数の個数: 24

約数和(自身を含む): 42232671936

約数和(自身を除く): 21232364860

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 5068, 4143707, 8287414, 16574828, 29005949, 58011898, 116023796, 750010967, 1500021934, 3000043868, 5250076769, 10500153538, 21000307076]

約数ペア:

[(1, 21000307076), (2, 10500153538), (4, 5250076769), (7, 3000043868), (14, 1500021934), (28, 750010967), (181, 116023796), (362, 58011898), (724, 29005949), (1267, 16574828), (2534, 8287414), (5068, 4143707)]