21728848

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{2099}}^1$

素因数の和:2754

約数の個数: 20

約数和(自身を含む): 42184800

約数和(自身を除く): 20455952

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2099, 2588, 4198, 5176, 8396, 10352, 16792, 33584, 1358053, 2716106, 5432212, 10864424, 21728848]

約数ペア:

[(1, 21728848), (2, 10864424), (4, 5432212), (8, 2716106), (16, 1358053), (647, 33584), (1294, 16792), (2099, 10352), (2588, 8396), (4198, 5176)]