21050716

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{37861}}^1$

素因数の和:38004

約数の個数: 12

約数和(自身を含む): 37104760

約数和(自身を除く): 16054044

約数列:

[1, 2, 4, 139, 278, 556, 37861, 75722, 151444, 5262679, 10525358, 21050716]

約数ペア:

[(1, 21050716), (2, 10525358), (4, 5262679), (139, 151444), (278, 75722), (556, 37861)]