21588380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98129}}^1$

素因数の和:98149

約数の個数: 24

約数和(自身を含む): 49457520

約数和(自身を除く): 27869140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98129, 196258, 392516, 490645, 981290, 1079419, 1962580, 2158838, 4317676, 5397095, 10794190, 21588380]

約数ペア:

[(1, 21588380), (2, 10794190), (4, 5397095), (5, 4317676), (10, 2158838), (11, 1962580), (20, 1079419), (22, 981290), (44, 490645), (55, 392516), (110, 196258), (220, 98129)]