21132338

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{523}}^1$

素因数の和:841

約数の個数: 16

約数和(自身を含む): 32257440

約数和(自身を除く): 11125102

約数列:

[1, 2, 89, 178, 227, 454, 523, 1046, 20203, 40406, 46547, 93094, 118721, 237442, 10566169, 21132338]

約数ペア:

[(1, 21132338), (2, 10566169), (89, 237442), (178, 118721), (227, 93094), (454, 46547), (523, 40406), (1046, 20203)]