212711620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{966871}}^1$

素因数の和:966891

約数の個数: 24

約数和(自身を含む): 487303488

約数和(自身を除く): 274591868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 966871, 1933742, 3867484, 4834355, 9668710, 10635581, 19337420, 21271162, 42542324, 53177905, 106355810, 212711620]

約数ペア:

[(1, 212711620), (2, 106355810), (4, 53177905), (5, 42542324), (10, 21271162), (11, 19337420), (20, 10635581), (22, 9668710), (44, 4834355), (55, 3867484), (110, 1933742), (220, 966871)]