21912580

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8627}}^1$

素因数の和:8763

約数の個数: 24

約数和(自身を含む): 46384128

約数和(自身を除く): 24471548

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 8627, 17254, 34508, 43135, 86270, 172540, 1095629, 2191258, 4382516, 5478145, 10956290, 21912580]

約数ペア:

[(1, 21912580), (2, 10956290), (4, 5478145), (5, 4382516), (10, 2191258), (20, 1095629), (127, 172540), (254, 86270), (508, 43135), (635, 34508), (1270, 17254), (2540, 8627)]