21194359

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 23417856

約数和(自身を除く): 2223497

約数列:

[1, 17, 31, 131, 307, 527, 2227, 4061, 5219, 9517, 40217, 69037, 161789, 683689, 1246727, 21194359]

約数ペア:

[(1, 21194359), (17, 1246727), (31, 683689), (131, 161789), (307, 69037), (527, 40217), (2227, 9517), (4061, 5219)]