21106781856

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{58771}}^1$

素因数の和:58859

約数の個数: 144

約数和(自身を含む): 63537233760

約数和(自身を除く): 42430451904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 43, 48, 58, 72, 86, 87, 96, 116, 129, 144, 172, 174, 232, 258, 261, 288, 344, 348, 387, 464, 516, 522, 688, 696, 774, 928, 1032, 1044, 1247, 1376, 1392, 1548, 2064, 2088, 2494, 2784, 3096, 3741, 4128, 4176, 4988, 6192, 7482, 8352, 9976, 11223, 12384, 14964, 19952, 22446, 29928, 39904, 44892, 58771, 59856, 89784, 117542, 119712, 176313, 179568, 235084, 352626, 359136, 470168, 528939, 705252, 940336, 1057878, 1410504, 1704359, 1880672, 2115756, 2527153, 2821008, 3408718, 4231512, 5054306, 5113077, 5642016, 6817436, 7581459, 8463024, 10108612, 10226154, 13634872, 15162918, 15339231, 16926048, 20217224, 20452308, 22744377, 27269744, 30325836, 30678462, 40434448, 40904616, 45488754, 54539488, 60651672, 61356924, 73287437, 80868896, 81809232, 90977508, 121303344, 122713848, 146574874, 163618464, 181955016, 219862311, 242606688, 245427696, 293149748, 363910032, 439724622, 490855392, 586299496, 659586933, 727820064, 879449244, 1172598992, 1319173866, 1758898488, 2345197984, 2638347732, 3517796976, 5276695464, 7035593952, 10553390928, 21106781856]

約数ペア:

[(1, 21106781856), (2, 10553390928), (3, 7035593952), (4, 5276695464), (6, 3517796976), (8, 2638347732), (9, 2345197984), (12, 1758898488), (16, 1319173866), (18, 1172598992), (24, 879449244), (29, 727820064), (32, 659586933), (36, 586299496), (43, 490855392), (48, 439724622), (58, 363910032), (72, 293149748), (86, 245427696), (87, 242606688), (96, 219862311), (116, 181955016), (129, 163618464), (144, 146574874), (172, 122713848), (174, 121303344), (232, 90977508), (258, 81809232), (261, 80868896), (288, 73287437), (344, 61356924), (348, 60651672), (387, 54539488), (464, 45488754), (516, 40904616), (522, 40434448), (688, 30678462), (696, 30325836), (774, 27269744), (928, 22744377), (1032, 20452308), (1044, 20217224), (1247, 16926048), (1376, 15339231), (1392, 15162918), (1548, 13634872), (2064, 10226154), (2088, 10108612), (2494, 8463024), (2784, 7581459), (3096, 6817436), (3741, 5642016), (4128, 5113077), (4176, 5054306), (4988, 4231512), (6192, 3408718), (7482, 2821008), (8352, 2527153), (9976, 2115756), (11223, 1880672), (12384, 1704359), (14964, 1410504), (19952, 1057878), (22446, 940336), (29928, 705252), (39904, 528939), (44892, 470168), (58771, 359136), (59856, 352626), (89784, 235084), (117542, 179568), (119712, 176313)]