21000837

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48953}}^1$

素因数の和:48980

約数の個数: 16

約数和(自身を含む): 32897088

約数和(自身を除く): 11896251

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48953, 146859, 538483, 636389, 1615449, 1909167, 7000279, 21000837]

約数ペア:

[(1, 21000837), (3, 7000279), (11, 1909167), (13, 1615449), (33, 636389), (39, 538483), (143, 146859), (429, 48953)]