21127579

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 23696640

約数和(自身を除く): 2569061

約数列:

[1, 11, 67, 109, 263, 737, 1199, 2893, 7303, 17621, 28667, 80333, 193831, 315337, 1920689, 21127579]

約数ペア:

[(1, 21127579), (11, 1920689), (67, 315337), (109, 193831), (263, 80333), (737, 28667), (1199, 17621), (2893, 7303)]