21002740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95467}}^1$

素因数の和:95487

約数の個数: 24

約数和(自身を含む): 48115872

約数和(自身を除く): 27113132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95467, 190934, 381868, 477335, 954670, 1050137, 1909340, 2100274, 4200548, 5250685, 10501370, 21002740]

約数ペア:

[(1, 21002740), (2, 10501370), (4, 5250685), (5, 4200548), (10, 2100274), (11, 1909340), (20, 1050137), (22, 954670), (44, 477335), (55, 381868), (110, 190934), (220, 95467)]