21687072

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^2\times {\mathrm{1867}}^1$

素因数の和:1902

約数の個数: 72

約数和(自身を含む): 62607888

約数和(自身を除く): 40920816

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 121, 132, 176, 242, 264, 352, 363, 484, 528, 726, 968, 1056, 1452, 1867, 1936, 2904, 3734, 3872, 5601, 5808, 7468, 11202, 11616, 14936, 20537, 22404, 29872, 41074, 44808, 59744, 61611, 82148, 89616, 123222, 164296, 179232, 225907, 246444, 328592, 451814, 492888, 657184, 677721, 903628, 985776, 1355442, 1807256, 1971552, 2710884, 3614512, 5421768, 7229024, 10843536, 21687072]

約数ペア:

[(1, 21687072), (2, 10843536), (3, 7229024), (4, 5421768), (6, 3614512), (8, 2710884), (11, 1971552), (12, 1807256), (16, 1355442), (22, 985776), (24, 903628), (32, 677721), (33, 657184), (44, 492888), (48, 451814), (66, 328592), (88, 246444), (96, 225907), (121, 179232), (132, 164296), (176, 123222), (242, 89616), (264, 82148), (352, 61611), (363, 59744), (484, 44808), (528, 41074), (726, 29872), (968, 22404), (1056, 20537), (1452, 14936), (1867, 11616), (1936, 11202), (2904, 7468), (3734, 5808), (3872, 5601)]