21000891234

素因数分解:

$2^1\times 3^1\times {\mathrm{3359}}^1\times {\mathrm{1042021}}^1$

素因数の和:1045385

約数の個数: 16

約数和(自身を含む): 42014327040

約数和(自身を除く): 21013435806

約数列:

[1, 2, 3, 6, 3359, 6718, 10077, 20154, 1042021, 2084042, 3126063, 6252126, 3500148539, 7000297078, 10500445617, 21000891234]

約数ペア:

[(1, 21000891234), (2, 10500445617), (3, 7000297078), (6, 3500148539), (3359, 6252126), (6718, 3126063), (10077, 2084042), (20154, 1042021)]