21695454

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 55411200

約数和(自身を除く): 33715746

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 73, 79, 99, 114, 146, 158, 171, 198, 209, 219, 237, 342, 418, 438, 474, 627, 657, 711, 803, 869, 1254, 1314, 1387, 1422, 1501, 1606, 1738, 1881, 2409, 2607, 2774, 3002, 3762, 4161, 4503, 4818, 5214, 5767, 7227, 7821, 8322, 9006, 11534, 12483, 13509, 14454, 15257, 15642, 16511, 17301, 24966, 27018, 30514, 33022, 34602, 45771, 49533, 51903, 63437, 91542, 99066, 103806, 109573, 126874, 137313, 148599, 190311, 219146, 274626, 297198, 328719, 380622, 570933, 657438, 986157, 1141866, 1205303, 1972314, 2410606, 3615909, 7231818, 10847727, 21695454]

約数ペア:

[(1, 21695454), (2, 10847727), (3, 7231818), (6, 3615909), (9, 2410606), (11, 1972314), (18, 1205303), (19, 1141866), (22, 986157), (33, 657438), (38, 570933), (57, 380622), (66, 328719), (73, 297198), (79, 274626), (99, 219146), (114, 190311), (146, 148599), (158, 137313), (171, 126874), (198, 109573), (209, 103806), (219, 99066), (237, 91542), (342, 63437), (418, 51903), (438, 49533), (474, 45771), (627, 34602), (657, 33022), (711, 30514), (803, 27018), (869, 24966), (1254, 17301), (1314, 16511), (1387, 15642), (1422, 15257), (1501, 14454), (1606, 13509), (1738, 12483), (1881, 11534), (2409, 9006), (2607, 8322), (2774, 7821), (3002, 7227), (3762, 5767), (4161, 5214), (4503, 4818)]