20211631237

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{6211}}^1\times {\mathrm{7621}}^1$

素因数の和:13900

約数の個数: 16

約数和(自身を含む): 23484540544

約数和(自身を除く): 3272909307

約数列:

[1, 7, 61, 427, 6211, 7621, 43477, 53347, 378871, 464881, 2652097, 3254167, 47334031, 331338217, 2887375891, 20211631237]

約数ペア:

[(1, 20211631237), (7, 2887375891), (61, 331338217), (427, 47334031), (6211, 3254167), (7621, 2652097), (43477, 464881), (53347, 378871)]