21136771

素因数分解:

${\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:302

約数の個数: 16

約数和(自身を含む): 22534848

約数和(自身を除く): 1398077

約数列:

[1, 41, 53, 71, 137, 2173, 2911, 3763, 5617, 7261, 9727, 154283, 297701, 398807, 515531, 21136771]

約数ペア:

[(1, 21136771), (41, 515531), (53, 398807), (71, 297701), (137, 154283), (2173, 9727), (2911, 7261), (3763, 5617)]