21081170056

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{26090557}}^1$

素因数の和:26090664

約数の個数: 16

約数和(自身を含む): 39918553740

約数和(自身を除く): 18837383684

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 26090557, 52181114, 104362228, 208724456, 2635146257, 5270292514, 10540585028, 21081170056]

約数ペア:

[(1, 21081170056), (2, 10540585028), (4, 5270292514), (8, 2635146257), (101, 208724456), (202, 104362228), (404, 52181114), (808, 26090557)]