21282044

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14341}}^1$

素因数の和:14405

約数の個数: 24

約数和(自身を含む): 43370208

約数和(自身を除く): 22088164

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14341, 28682, 57364, 100387, 200774, 401548, 760073, 1520146, 3040292, 5320511, 10641022, 21282044]

約数ペア:

[(1, 21282044), (2, 10641022), (4, 5320511), (7, 3040292), (14, 1520146), (28, 760073), (53, 401548), (106, 200774), (212, 100387), (371, 57364), (742, 28682), (1484, 14341)]