21162739

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3089}}^1$

素因数の和:3150

約数の個数: 16

約数和(自身を含む): 24917760

約数和(自身を除く): 3755021

約数列:

[1, 13, 17, 31, 221, 403, 527, 3089, 6851, 40157, 52513, 95759, 682669, 1244867, 1627903, 21162739]

約数ペア:

[(1, 21162739), (13, 1627903), (17, 1244867), (31, 682669), (221, 95759), (403, 52513), (527, 40157), (3089, 6851)]