21580823086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{8287}}^1\times {\mathrm{68531}}^1$

素因数の和:76839

約数の個数: 16

約数和(自身を含む): 34079592960

約数和(自身を除く): 12498769874

約数列:

[1, 2, 19, 38, 8287, 16574, 68531, 137062, 157453, 314906, 1302089, 2604178, 567916397, 1135832794, 10790411543, 21580823086]

約数ペア:

[(1, 21580823086), (2, 10790411543), (19, 1135832794), (38, 567916397), (8287, 2604178), (16574, 1302089), (68531, 314906), (137062, 157453)]