21812968

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{12227}}^1$

素因数の和:12456

約数の個数: 16

約数和(自身を含む): 41086080

約数和(自身を除く): 19273112

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 12227, 24454, 48908, 97816, 2726621, 5453242, 10906484, 21812968]

約数ペア:

[(1, 21812968), (2, 10906484), (4, 5453242), (8, 2726621), (223, 97816), (446, 48908), (892, 24454), (1784, 12227)]