21543301

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 3604283

約数列:

[1, 13, 17, 43, 221, 559, 731, 2267, 9503, 29471, 38539, 97481, 501007, 1267253, 1657177, 21543301]

約数ペア:

[(1, 21543301), (13, 1657177), (17, 1267253), (43, 501007), (221, 97481), (559, 38539), (731, 29471), (2267, 9503)]