21003669920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 288

約数和(自身を含む): 55184976000

約数和(自身を除く): 34181306080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 43, 46, 58, 80, 86, 92, 115, 116, 145, 160, 172, 184, 199, 215, 230, 232, 290, 344, 368, 398, 430, 460, 464, 529, 580, 667, 688, 736, 796, 860, 920, 928, 989, 995, 1058, 1160, 1247, 1334, 1376, 1592, 1720, 1840, 1978, 1990, 2116, 2320, 2494, 2645, 2668, 3184, 3335, 3440, 3680, 3956, 3980, 4232, 4577, 4640, 4945, 4988, 5290, 5336, 5771, 6235, 6368, 6670, 6880, 7912, 7960, 8464, 8557, 9154, 9890, 9976, 10580, 10672, 11542, 12470, 13340, 15341, 15824, 15920, 16928, 17114, 18308, 19780, 19952, 21160, 21344, 22747, 22885, 23084, 24940, 26680, 28681, 28855, 30682, 31648, 31840, 34228, 36616, 39560, 39904, 42320, 42785, 45494, 45770, 46168, 49880, 53360, 57362, 57710, 61364, 68456, 73232, 76705, 79120, 84640, 85570, 90988, 91540, 92336, 99760, 105271, 106720, 113735, 114724, 115420, 122728, 132733, 136912, 143405, 146464, 153410, 158240, 171140, 181976, 183080, 184672, 196811, 199520, 210542, 227470, 229448, 230840, 245456, 248153, 265466, 273824, 286810, 306820, 342280, 363952, 366160, 393622, 421084, 454940, 458896, 461680, 490912, 496306, 526355, 530932, 573620, 613640, 659663, 663665, 684560, 727904, 732320, 787244, 842168, 909880, 917792, 923360, 984055, 992612, 1052710, 1061864, 1147240, 1227280, 1240765, 1319326, 1327330, 1369120, 1574488, 1684336, 1819760, 1968110, 1985224, 2105420, 2123728, 2294480, 2454560, 2481530, 2638652, 2654660, 3052859, 3148976, 3298315, 3368672, 3639520, 3936220, 3970448, 4210840, 4247456, 4526653, 4588960, 4963060, 5277304, 5309320, 5707519, 6105718, 6297952, 6596630, 7872440, 7940896, 8421680, 9053306, 9926120, 10554608, 10618640, 11415038, 12211436, 13193260, 15264295, 15744880, 16843360, 18106612, 19852240, 21109216, 21237280, 22633265, 22830076, 24422872, 26386520, 28537595, 30528590, 31489760, 36213224, 39704480, 45266530, 45660152, 48845744, 52773040, 57075190, 61057180, 72426448, 90533060, 91320304, 97691488, 105546080, 114150380, 122114360, 131272937, 144852896, 181066120, 182640608, 228300760, 244228720, 262545874, 362132240, 456601520, 488457440, 525091748, 656364685, 724264480, 913203040, 1050183496, 1312729370, 2100366992, 2625458740, 4200733984, 5250917480, 10501834960, 21003669920]

約数ペア:

[(1, 21003669920), (2, 10501834960), (4, 5250917480), (5, 4200733984), (8, 2625458740), (10, 2100366992), (16, 1312729370), (20, 1050183496), (23, 913203040), (29, 724264480), (32, 656364685), (40, 525091748), (43, 488457440), (46, 456601520), (58, 362132240), (80, 262545874), (86, 244228720), (92, 228300760), (115, 182640608), (116, 181066120), (145, 144852896), (160, 131272937), (172, 122114360), (184, 114150380), (199, 105546080), (215, 97691488), (230, 91320304), (232, 90533060), (290, 72426448), (344, 61057180), (368, 57075190), (398, 52773040), (430, 48845744), (460, 45660152), (464, 45266530), (529, 39704480), (580, 36213224), (667, 31489760), (688, 30528590), (736, 28537595), (796, 26386520), (860, 24422872), (920, 22830076), (928, 22633265), (989, 21237280), (995, 21109216), (1058, 19852240), (1160, 18106612), (1247, 16843360), (1334, 15744880), (1376, 15264295), (1592, 13193260), (1720, 12211436), (1840, 11415038), (1978, 10618640), (1990, 10554608), (2116, 9926120), (2320, 9053306), (2494, 8421680), (2645, 7940896), (2668, 7872440), (3184, 6596630), (3335, 6297952), (3440, 6105718), (3680, 5707519), (3956, 5309320), (3980, 5277304), (4232, 4963060), (4577, 4588960), (4640, 4526653), (4945, 4247456), (4988, 4210840), (5290, 3970448), (5336, 3936220), (5771, 3639520), (6235, 3368672), (6368, 3298315), (6670, 3148976), (6880, 3052859), (7912, 2654660), (7960, 2638652), (8464, 2481530), (8557, 2454560), (9154, 2294480), (9890, 2123728), (9976, 2105420), (10580, 1985224), (10672, 1968110), (11542, 1819760), (12470, 1684336), (13340, 1574488), (15341, 1369120), (15824, 1327330), (15920, 1319326), (16928, 1240765), (17114, 1227280), (18308, 1147240), (19780, 1061864), (19952, 1052710), (21160, 992612), (21344, 984055), (22747, 923360), (22885, 917792), (23084, 909880), (24940, 842168), (26680, 787244), (28681, 732320), (28855, 727904), (30682, 684560), (31648, 663665), (31840, 659663), (34228, 613640), (36616, 573620), (39560, 530932), (39904, 526355), (42320, 496306), (42785, 490912), (45494, 461680), (45770, 458896), (46168, 454940), (49880, 421084), (53360, 393622), (57362, 366160), (57710, 363952), (61364, 342280), (68456, 306820), (73232, 286810), (76705, 273824), (79120, 265466), (84640, 248153), (85570, 245456), (90988, 230840), (91540, 229448), (92336, 227470), (99760, 210542), (105271, 199520), (106720, 196811), (113735, 184672), (114724, 183080), (115420, 181976), (122728, 171140), (132733, 158240), (136912, 153410), (143405, 146464)]