2021638610

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{246241}}^1$

素因数の和:247069

約数の個数: 16

約数和(自身を含む): 3643396632

約数和(自身を除く): 1621758022

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 246241, 492482, 1231205, 2462410, 202163861, 404327722, 1010819305, 2021638610]

約数ペア:

[(1, 2021638610), (2, 1010819305), (5, 404327722), (10, 202163861), (821, 2462410), (1642, 1231205), (4105, 492482), (8210, 246241)]