2021061581

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{200363}}^1$

素因数の和:200512

約数の個数: 16

約数和(自身を含む): 2539012608

約数和(自身を除く): 517951027

約数列:

[1, 7, 11, 77, 131, 917, 1441, 10087, 200363, 1402541, 2203993, 15427951, 26247553, 183732871, 288723083, 2021061581]

約数ペア:

[(1, 2021061581), (7, 288723083), (11, 183732871), (77, 26247553), (131, 15427951), (917, 2203993), (1441, 1402541), (10087, 200363)]