2187020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9941}}^1$

素因数の和:9961

約数の個数: 24

約数和(自身を含む): 5010768

約数和(自身を除く): 2823748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9941, 19882, 39764, 49705, 99410, 109351, 198820, 218702, 437404, 546755, 1093510, 2187020]

約数ペア:

[(1, 2187020), (2, 1093510), (4, 546755), (5, 437404), (10, 218702), (11, 198820), (20, 109351), (22, 99410), (44, 49705), (55, 39764), (110, 19882), (220, 9941)]