21478317588

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{312203}}^1$

素因数の和:312243

約数の個数: 144

約数和(自身を含む): 69758861760

約数和(自身を除く): 48280544172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 182, 189, 196, 234, 252, 273, 294, 351, 364, 378, 441, 468, 546, 588, 637, 702, 756, 819, 882, 1092, 1274, 1323, 1404, 1638, 1764, 1911, 2457, 2548, 2646, 3276, 3822, 4914, 5292, 5733, 7644, 9828, 11466, 17199, 22932, 34398, 68796, 312203, 624406, 936609, 1248812, 1873218, 2185421, 2809827, 3746436, 4058639, 4370842, 5619654, 6556263, 8117278, 8429481, 8741684, 11239308, 12175917, 13112526, 15297947, 16234556, 16858962, 19668789, 24351834, 26225052, 28410473, 30595894, 33717924, 36527751, 39337578, 45893841, 48703668, 56820946, 59006367, 61191788, 73055502, 78675156, 85231419, 91787682, 109583253, 113641892, 118012734, 137681523, 146111004, 170462838, 183575364, 198873311, 219166506, 236025468, 255694257, 275363046, 340925676, 397746622, 413044569, 438333012, 511388514, 550726092, 596619933, 767082771, 795493244, 826089138, 1022777028, 1193239866, 1534165542, 1652178276, 1789859799, 2386479732, 3068331084, 3579719598, 5369579397, 7159439196, 10739158794, 21478317588]

約数ペア:

[(1, 21478317588), (2, 10739158794), (3, 7159439196), (4, 5369579397), (6, 3579719598), (7, 3068331084), (9, 2386479732), (12, 1789859799), (13, 1652178276), (14, 1534165542), (18, 1193239866), (21, 1022777028), (26, 826089138), (27, 795493244), (28, 767082771), (36, 596619933), (39, 550726092), (42, 511388514), (49, 438333012), (52, 413044569), (54, 397746622), (63, 340925676), (78, 275363046), (84, 255694257), (91, 236025468), (98, 219166506), (108, 198873311), (117, 183575364), (126, 170462838), (147, 146111004), (156, 137681523), (182, 118012734), (189, 113641892), (196, 109583253), (234, 91787682), (252, 85231419), (273, 78675156), (294, 73055502), (351, 61191788), (364, 59006367), (378, 56820946), (441, 48703668), (468, 45893841), (546, 39337578), (588, 36527751), (637, 33717924), (702, 30595894), (756, 28410473), (819, 26225052), (882, 24351834), (1092, 19668789), (1274, 16858962), (1323, 16234556), (1404, 15297947), (1638, 13112526), (1764, 12175917), (1911, 11239308), (2457, 8741684), (2548, 8429481), (2646, 8117278), (3276, 6556263), (3822, 5619654), (4914, 4370842), (5292, 4058639), (5733, 3746436), (7644, 2809827), (9828, 2185421), (11466, 1873218), (17199, 1248812), (22932, 936609), (34398, 624406), (68796, 312203)]