21093501

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49169}}^1$

素因数の和:49196

約数の個数: 16

約数和(自身を含む): 33042240

約数和(自身を除く): 11948739

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49169, 147507, 540859, 639197, 1622577, 1917591, 7031167, 21093501]

約数ペア:

[(1, 21093501), (3, 7031167), (11, 1917591), (13, 1622577), (33, 639197), (39, 540859), (143, 147507), (429, 49169)]