21910768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124493}}^1$

素因数の和:124512

約数の個数: 20

約数和(自身を含む): 46311768

約数和(自身を除く): 24401000

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124493, 248986, 497972, 995944, 1369423, 1991888, 2738846, 5477692, 10955384, 21910768]

約数ペア:

[(1, 21910768), (2, 10955384), (4, 5477692), (8, 2738846), (11, 1991888), (16, 1369423), (22, 995944), (44, 497972), (88, 248986), (176, 124493)]