21039806

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{677}}^1$

素因数の和:1099

約数の個数: 16

約数和(自身を含む): 32462640

約数和(自身を除く): 11422834

約数列:

[1, 2, 41, 82, 379, 677, 758, 1354, 15539, 27757, 31078, 55514, 256583, 513166, 10519903, 21039806]

約数ペア:

[(1, 21039806), (2, 10519903), (41, 513166), (82, 256583), (379, 55514), (677, 31078), (758, 27757), (1354, 15539)]