21071138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{1217}}^1$

素因数の和:2017

約数の個数: 16

約数和(自身を含む): 34552224

約数和(自身を除く): 13481086

約数列:

[1, 2, 11, 22, 787, 1217, 1574, 2434, 8657, 13387, 17314, 26774, 957779, 1915558, 10535569, 21071138]

約数ペア:

[(1, 21071138), (2, 10535569), (11, 1915558), (22, 957779), (787, 26774), (1217, 17314), (1574, 13387), (2434, 8657)]