21966008

素因数分解:

$2^3\times {\mathrm{563}}^1\times {\mathrm{4877}}^1$

素因数の和:5446

約数の個数: 16

約数和(自身を含む): 41267880

約数和(自身を除く): 19301872

約数列:

[1, 2, 4, 8, 563, 1126, 2252, 4504, 4877, 9754, 19508, 39016, 2745751, 5491502, 10983004, 21966008]

約数ペア:

[(1, 21966008), (2, 10983004), (4, 5491502), (8, 2745751), (563, 39016), (1126, 19508), (2252, 9754), (4504, 4877)]