21882133

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 28361984

約数和(自身を除く): 6479851

約数列:

[1, 7, 13, 37, 67, 91, 97, 259, 469, 481, 679, 871, 1261, 2479, 3367, 3589, 6097, 6499, 8827, 17353, 25123, 32227, 45493, 46657, 84487, 225589, 240463, 326599, 591409, 1683241, 3126019, 21882133]

約数ペア:

[(1, 21882133), (7, 3126019), (13, 1683241), (37, 591409), (67, 326599), (91, 240463), (97, 225589), (259, 84487), (469, 46657), (481, 45493), (679, 32227), (871, 25123), (1261, 17353), (2479, 8827), (3367, 6499), (3589, 6097)]