21352799

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1823}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 3468193

約数列:

[1, 13, 17, 53, 221, 689, 901, 1823, 11713, 23699, 30991, 96619, 402883, 1256047, 1642523, 21352799]

約数ペア:

[(1, 21352799), (13, 1642523), (17, 1256047), (53, 402883), (221, 96619), (689, 30991), (901, 23699), (1823, 11713)]