21553510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3697}}^1$

素因数の和:3768

約数の個数: 32

約数和(自身を含む): 43133472

約数和(自身を除く): 21579962

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3697, 5830, 7394, 18485, 36970, 40667, 81334, 195941, 203335, 391882, 406670, 979705, 1959410, 2155351, 4310702, 10776755, 21553510]

約数ペア:

[(1, 21553510), (2, 10776755), (5, 4310702), (10, 2155351), (11, 1959410), (22, 979705), (53, 406670), (55, 391882), (106, 203335), (110, 195941), (265, 81334), (530, 40667), (583, 36970), (1166, 18485), (2915, 7394), (3697, 5830)]