21385023

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12227}}^1$

素因数の和:12294

約数の個数: 16

約数和(自身を含む): 31694976

約数和(自身を除く): 10309953

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12227, 36681, 134497, 403491, 648031, 1944093, 7128341, 21385023]

約数ペア:

[(1, 21385023), (3, 7128341), (11, 1944093), (33, 648031), (53, 403491), (159, 134497), (583, 36681), (1749, 12227)]