21000804

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{159097}}^1$

素因数の和:159115

約数の個数: 24

約数和(自身を含む): 53456928

約数和(自身を除く): 32456124

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 159097, 318194, 477291, 636388, 954582, 1750067, 1909164, 3500134, 5250201, 7000268, 10500402, 21000804]

約数ペア:

[(1, 21000804), (2, 10500402), (3, 7000268), (4, 5250201), (6, 3500134), (11, 1909164), (12, 1750067), (22, 954582), (33, 636388), (44, 477291), (66, 318194), (132, 159097)]