21447976

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22157}}^1$

素因数の和:22185

約数の個数: 24

約数和(自身を含む): 44205210

約数和(自身を除く): 22757234

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22157, 44314, 88628, 177256, 243727, 487454, 974908, 1949816, 2680997, 5361994, 10723988, 21447976]

約数ペア:

[(1, 21447976), (2, 10723988), (4, 5361994), (8, 2680997), (11, 1949816), (22, 974908), (44, 487454), (88, 243727), (121, 177256), (242, 88628), (484, 44314), (968, 22157)]