21132969

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49261}}^1$

素因数の和:49288

約数の個数: 16

約数和(自身を含む): 33104064

約数和(自身を除く): 11971095

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49261, 147783, 541871, 640393, 1625613, 1921179, 7044323, 21132969]

約数ペア:

[(1, 21132969), (3, 7044323), (11, 1921179), (13, 1625613), (33, 640393), (39, 541871), (143, 147783), (429, 49261)]