21602008

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8627}}^1$

素因数の和:8946

約数の個数: 16

約数和(自身を含む): 40637880

約数和(自身を除く): 19035872

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8627, 17254, 34508, 69016, 2700251, 5400502, 10801004, 21602008]

約数ペア:

[(1, 21602008), (2, 10801004), (4, 5400502), (8, 2700251), (313, 69016), (626, 34508), (1252, 17254), (2504, 8627)]