21798095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1579}}^1$

素因数の和:1846

約数の個数: 16

約数和(自身を含む): 28667520

約数和(自身を除く): 6869425

約数列:

[1, 5, 11, 55, 251, 1255, 1579, 2761, 7895, 13805, 17369, 86845, 396329, 1981645, 4359619, 21798095]

約数ペア:

[(1, 21798095), (5, 4359619), (11, 1981645), (55, 396329), (251, 86845), (1255, 17369), (1579, 13805), (2761, 7895)]