21056432

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4751}}^1$

素因数の和:5036

約数の個数: 20

約数和(自身を含む): 40952736

約数和(自身を除く): 19896304

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4751, 9502, 19004, 38008, 76016, 1316027, 2632054, 5264108, 10528216, 21056432]

約数ペア:

[(1, 21056432), (2, 10528216), (4, 5264108), (8, 2632054), (16, 1316027), (277, 76016), (554, 38008), (1108, 19004), (2216, 9502), (4432, 4751)]