20210938678

素因数分解:

$2^1\times 7^1\times {\mathrm{1721}}^1\times {\mathrm{838837}}^1$

素因数の和:840567

約数の個数: 16

約数和(自身を含む): 34667496864

約数和(自身を除く): 14456558186

約数列:

[1, 2, 7, 14, 1721, 3442, 12047, 24094, 838837, 1677674, 5871859, 11743718, 1443638477, 2887276954, 10105469339, 20210938678]

約数ペア:

[(1, 20210938678), (2, 10105469339), (7, 2887276954), (14, 1443638477), (1721, 11743718), (3442, 5871859), (12047, 1677674), (24094, 838837)]