21000570638

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{2239}}^1\times {\mathrm{33739}}^1$

素因数の和:36119

約数の個数: 16

約数和(自身を含む): 31742592000

約数和(自身を除く): 10742021362

約数列:

[1, 2, 139, 278, 2239, 4478, 33739, 67478, 311221, 622442, 4689721, 9379442, 75541621, 151083242, 10500285319, 21000570638]

約数ペア:

[(1, 21000570638), (2, 10500285319), (139, 151083242), (278, 75541621), (2239, 9379442), (4478, 4689721), (33739, 622442), (67478, 311221)]