21802732

素因数分解:

$2^2\times 7^1\times {\mathrm{797}}^1\times {\mathrm{977}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 43704864

約数和(自身を除く): 21902132

約数列:

[1, 2, 4, 7, 14, 28, 797, 977, 1594, 1954, 3188, 3908, 5579, 6839, 11158, 13678, 22316, 27356, 778669, 1557338, 3114676, 5450683, 10901366, 21802732]

約数ペア:

[(1, 21802732), (2, 10901366), (4, 5450683), (7, 3114676), (14, 1557338), (28, 778669), (797, 27356), (977, 22316), (1594, 13678), (1954, 11158), (3188, 6839), (3908, 5579)]