21172450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32573}}^1$

素因数の和:32598

約数の個数: 24

約数和(自身を含む): 42411348

約数和(自身を除く): 21238898

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32573, 65146, 162865, 325730, 423449, 814325, 846898, 1628650, 2117245, 4234490, 10586225, 21172450]

約数ペア:

[(1, 21172450), (2, 10586225), (5, 4234490), (10, 2117245), (13, 1628650), (25, 846898), (26, 814325), (50, 423449), (65, 325730), (130, 162865), (325, 65146), (650, 32573)]