21578244156

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257141}}^1$

素因数の和:257201

約数の個数: 120

約数和(自身を含む): 66210979296

約数和(自身を除く): 44632735140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 81, 84, 108, 111, 126, 148, 162, 189, 222, 252, 259, 324, 333, 378, 444, 518, 567, 666, 756, 777, 999, 1036, 1134, 1332, 1554, 1998, 2268, 2331, 2997, 3108, 3996, 4662, 5994, 6993, 9324, 11988, 13986, 20979, 27972, 41958, 83916, 257141, 514282, 771423, 1028564, 1542846, 1799987, 2314269, 3085692, 3599974, 4628538, 5399961, 6942807, 7199948, 9257076, 9514217, 10799922, 13885614, 16199883, 19028434, 20828421, 21599844, 27771228, 28542651, 32399766, 38056868, 41656842, 48599649, 57085302, 64799532, 66599519, 83313684, 85627953, 97199298, 114170604, 133199038, 145798947, 171255906, 194398596, 199798557, 256883859, 266398076, 291597894, 342511812, 399597114, 513767718, 583195788, 599395671, 770651577, 799194228, 1027535436, 1198791342, 1541303154, 1798187013, 2397582684, 3082606308, 3596374026, 5394561039, 7192748052, 10789122078, 21578244156]

約数ペア:

[(1, 21578244156), (2, 10789122078), (3, 7192748052), (4, 5394561039), (6, 3596374026), (7, 3082606308), (9, 2397582684), (12, 1798187013), (14, 1541303154), (18, 1198791342), (21, 1027535436), (27, 799194228), (28, 770651577), (36, 599395671), (37, 583195788), (42, 513767718), (54, 399597114), (63, 342511812), (74, 291597894), (81, 266398076), (84, 256883859), (108, 199798557), (111, 194398596), (126, 171255906), (148, 145798947), (162, 133199038), (189, 114170604), (222, 97199298), (252, 85627953), (259, 83313684), (324, 66599519), (333, 64799532), (378, 57085302), (444, 48599649), (518, 41656842), (567, 38056868), (666, 32399766), (756, 28542651), (777, 27771228), (999, 21599844), (1036, 20828421), (1134, 19028434), (1332, 16199883), (1554, 13885614), (1998, 10799922), (2268, 9514217), (2331, 9257076), (2997, 7199948), (3108, 6942807), (3996, 5399961), (4662, 4628538), (5994, 3599974), (6993, 3085692), (9324, 2314269), (11988, 1799987), (13986, 1542846), (20979, 1028564), (27972, 771423), (41958, 514282), (83916, 257141)]