201621356

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{210901}}^1$

素因数の和:211144

約数の個数: 12

約数和(自身を含む): 354315360

約数和(自身を除く): 152694004

約数列:

[1, 2, 4, 239, 478, 956, 210901, 421802, 843604, 50405339, 100810678, 201621356]

約数ペア:

[(1, 201621356), (2, 100810678), (4, 50405339), (239, 843604), (478, 421802), (956, 210901)]