21021850

素因数分解:

$2^1\times 5^2\times {\mathrm{593}}^1\times {\mathrm{709}}^1$

素因数の和:1314

約数の個数: 24

約数和(自身を含む): 39221820

約数和(自身を除く): 18199970

約数列:

[1, 2, 5, 10, 25, 50, 593, 709, 1186, 1418, 2965, 3545, 5930, 7090, 14825, 17725, 29650, 35450, 420437, 840874, 2102185, 4204370, 10510925, 21021850]

約数ペア:

[(1, 21021850), (2, 10510925), (5, 4204370), (10, 2102185), (25, 840874), (50, 420437), (593, 35450), (709, 29650), (1186, 17725), (1418, 14825), (2965, 7090), (3545, 5930)]