21065648751

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{4679}}^1$

素因数の和:4826

約数の個数: 96

約数和(自身を含む): 37645171200

約数和(自身を除く): 16579522449

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 83, 123, 147, 189, 249, 287, 369, 441, 581, 747, 861, 1107, 1323, 1743, 2009, 2241, 2583, 3403, 4067, 4679, 5229, 6027, 7749, 10209, 12201, 14037, 15687, 18081, 23821, 30627, 32753, 36603, 42111, 54243, 71463, 91881, 98259, 109809, 126333, 166747, 191839, 214389, 229271, 294777, 388357, 500241, 575517, 643167, 687813, 884331, 1165071, 1342873, 1500723, 1726551, 2063439, 2718499, 3495213, 4028619, 4502169, 5179653, 6190317, 8155497, 9400111, 10485639, 12085857, 15922637, 19029493, 24466491, 28200333, 36257571, 47767911, 57088479, 73399473, 84600999, 111458459, 143303733, 171265437, 253802997, 334375377, 429911199, 513796311, 780209213, 1003126131, 2340627639, 3009378393, 7021882917, 21065648751]

約数ペア:

[(1, 21065648751), (3, 7021882917), (7, 3009378393), (9, 2340627639), (21, 1003126131), (27, 780209213), (41, 513796311), (49, 429911199), (63, 334375377), (83, 253802997), (123, 171265437), (147, 143303733), (189, 111458459), (249, 84600999), (287, 73399473), (369, 57088479), (441, 47767911), (581, 36257571), (747, 28200333), (861, 24466491), (1107, 19029493), (1323, 15922637), (1743, 12085857), (2009, 10485639), (2241, 9400111), (2583, 8155497), (3403, 6190317), (4067, 5179653), (4679, 4502169), (5229, 4028619), (6027, 3495213), (7749, 2718499), (10209, 2063439), (12201, 1726551), (14037, 1500723), (15687, 1342873), (18081, 1165071), (23821, 884331), (30627, 687813), (32753, 643167), (36603, 575517), (42111, 500241), (54243, 388357), (71463, 294777), (91881, 229271), (98259, 214389), (109809, 191839), (126333, 166747)]