21110936

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 29450344

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 43, 44, 56, 77, 86, 88, 154, 172, 301, 308, 344, 473, 602, 616, 797, 946, 1204, 1594, 1892, 2408, 3188, 3311, 3784, 5579, 6376, 6622, 8767, 11158, 13244, 17534, 22316, 26488, 34271, 35068, 44632, 61369, 68542, 70136, 122738, 137084, 239897, 245476, 274168, 376981, 479794, 490952, 753962, 959588, 1507924, 1919176, 2638867, 3015848, 5277734, 10555468, 21110936]

約数ペア:

[(1, 21110936), (2, 10555468), (4, 5277734), (7, 3015848), (8, 2638867), (11, 1919176), (14, 1507924), (22, 959588), (28, 753962), (43, 490952), (44, 479794), (56, 376981), (77, 274168), (86, 245476), (88, 239897), (154, 137084), (172, 122738), (301, 70136), (308, 68542), (344, 61369), (473, 44632), (602, 35068), (616, 34271), (797, 26488), (946, 22316), (1204, 17534), (1594, 13244), (1892, 11158), (2408, 8767), (3188, 6622), (3311, 6376), (3784, 5579)]