21800464

素因数分解:

$2^4\times 7^1\times {\mathrm{194647}}^1$

素因数の和:194662

約数の個数: 20

約数和(自身を含む): 48272704

約数和(自身を除く): 26472240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 194647, 389294, 778588, 1362529, 1557176, 2725058, 3114352, 5450116, 10900232, 21800464]

約数ペア:

[(1, 21800464), (2, 10900232), (4, 5450116), (7, 3114352), (8, 2725058), (14, 1557176), (16, 1362529), (28, 778588), (56, 389294), (112, 194647)]