21222409

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{881}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 24449040

約数和(自身を除く): 3226631

約数列:

[1, 13, 17, 109, 221, 881, 1417, 1853, 11453, 14977, 24089, 96029, 194701, 1248377, 1632493, 21222409]

約数ペア:

[(1, 21222409), (13, 1632493), (17, 1248377), (109, 194701), (221, 96029), (881, 24089), (1417, 14977), (1853, 11453)]