21851511

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3541}}^1$

素因数の和:3583

約数の個数: 24

約数和(自身を含む): 33918192

約数和(自身を除く): 12066681

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 3541, 6171, 10623, 38951, 60197, 116853, 180591, 428461, 662167, 1285383, 1986501, 7283837, 21851511]

約数ペア:

[(1, 21851511), (3, 7283837), (11, 1986501), (17, 1285383), (33, 662167), (51, 428461), (121, 180591), (187, 116853), (363, 60197), (561, 38951), (2057, 10623), (3541, 6171)]