21000261806

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3789293}}^1$

素因数の和:3789475

約数の個数: 16

約数和(自身を含む): 33557987664

約数和(自身を除く): 12557725858

約数列:

[1, 2, 17, 34, 163, 326, 2771, 5542, 3789293, 7578586, 64417981, 128835962, 617654759, 1235309518, 10500130903, 21000261806]

約数ペア:

[(1, 21000261806), (2, 10500130903), (17, 1235309518), (34, 617654759), (163, 128835962), (326, 64417981), (2771, 7578586), (5542, 3789293)]