21422456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243437}}^1$

素因数の和:243454

約数の個数: 16

約数和(自身を含む): 43818840

約数和(自身を除く): 22396384

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243437, 486874, 973748, 1947496, 2677807, 5355614, 10711228, 21422456]

約数ペア:

[(1, 21422456), (2, 10711228), (4, 5355614), (8, 2677807), (11, 1947496), (22, 973748), (44, 486874), (88, 243437)]