21095450

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{7151}}^1$

素因数の和:7222

約数の個数: 24

約数和(自身を含む): 39908160

約数和(自身を除く): 18812710

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 295, 590, 1475, 2950, 7151, 14302, 35755, 71510, 178775, 357550, 421909, 843818, 2109545, 4219090, 10547725, 21095450]

約数ペア:

[(1, 21095450), (2, 10547725), (5, 4219090), (10, 2109545), (25, 843818), (50, 421909), (59, 357550), (118, 178775), (295, 71510), (590, 35755), (1475, 14302), (2950, 7151)]