11216821

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 16087680

約数和(自身を除く): 4870859

約数列:

[1, 7, 11, 17, 19, 41, 77, 119, 121, 133, 187, 209, 287, 323, 451, 697, 779, 847, 1309, 1463, 2057, 2261, 2299, 3157, 3553, 4879, 4961, 5453, 7667, 8569, 13243, 14399, 16093, 24871, 34727, 39083, 53669, 59983, 84337, 92701, 94259, 145673, 273581, 590359, 659813, 1019711, 1602403, 11216821]

約数ペア:

[(1, 11216821), (7, 1602403), (11, 1019711), (17, 659813), (19, 590359), (41, 273581), (77, 145673), (119, 94259), (121, 92701), (133, 84337), (187, 59983), (209, 53669), (287, 39083), (323, 34727), (451, 24871), (697, 16093), (779, 14399), (847, 13243), (1309, 8569), (1463, 7667), (2057, 5453), (2261, 4961), (2299, 4879), (3157, 3553)]