21394404

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11213}}^1$

素因数の和:11276

約数の個数: 36

約数和(自身を含む): 55105596

約数和(自身を除く): 33711192

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11213, 22426, 33639, 44852, 67278, 100917, 134556, 201834, 403668, 594289, 1188578, 1782867, 2377156, 3565734, 5348601, 7131468, 10697202, 21394404]

約数ペア:

[(1, 21394404), (2, 10697202), (3, 7131468), (4, 5348601), (6, 3565734), (9, 2377156), (12, 1782867), (18, 1188578), (36, 594289), (53, 403668), (106, 201834), (159, 134556), (212, 100917), (318, 67278), (477, 44852), (636, 33639), (954, 22426), (1908, 11213)]