21149685760

素因数分解:

$2^{11}\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:793

約数の個数: 288

約数和(自身を含む): 60086622960

約数和(自身を除く): 38936937200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 64, 70, 80, 98, 112, 122, 128, 140, 160, 196, 224, 244, 245, 256, 280, 305, 320, 392, 427, 448, 488, 490, 512, 560, 610, 640, 691, 784, 854, 896, 976, 980, 1024, 1120, 1220, 1280, 1382, 1568, 1708, 1792, 1952, 1960, 2048, 2135, 2240, 2440, 2560, 2764, 2989, 3136, 3416, 3455, 3584, 3904, 3920, 4270, 4480, 4837, 4880, 5120, 5528, 5978, 6272, 6832, 6910, 7168, 7808, 7840, 8540, 8960, 9674, 9760, 10240, 11056, 11956, 12544, 13664, 13820, 14336, 14945, 15616, 15680, 17080, 17920, 19348, 19520, 22112, 23912, 24185, 25088, 27328, 27640, 29890, 31232, 31360, 33859, 34160, 35840, 38696, 39040, 42151, 44224, 47824, 48370, 50176, 54656, 55280, 59780, 62464, 62720, 67718, 68320, 71680, 77392, 78080, 84302, 88448, 95648, 96740, 100352, 109312, 110560, 119560, 124928, 125440, 135436, 136640, 154784, 156160, 168604, 169295, 176896, 191296, 193480, 210755, 218624, 221120, 239120, 250880, 270872, 273280, 295057, 309568, 312320, 337208, 338590, 353792, 382592, 386960, 421510, 437248, 442240, 478240, 501760, 541744, 546560, 590114, 619136, 624640, 674416, 677180, 707584, 765184, 773920, 843020, 874496, 884480, 956480, 1083488, 1093120, 1180228, 1238272, 1348832, 1354360, 1415168, 1475285, 1530368, 1547840, 1686040, 1768960, 1912960, 2065399, 2166976, 2186240, 2360456, 2476544, 2697664, 2708720, 2950570, 3060736, 3095680, 3372080, 3537920, 3825920, 4130798, 4333952, 4372480, 4720912, 4953088, 5395328, 5417440, 5901140, 6121472, 6191360, 6744160, 7075840, 7651840, 8261596, 8667904, 9441824, 9906176, 10326995, 10790656, 10834880, 11802280, 12382720, 13488320, 15303680, 16523192, 17335808, 18883648, 20653990, 21581312, 21669760, 23604560, 24765440, 26976640, 30607360, 33046384, 34671616, 37767296, 41307980, 43162624, 43339520, 47209120, 49530880, 53953280, 66092768, 69343232, 75534592, 82615960, 86325248, 86679040, 94418240, 107906560, 132185536, 151069184, 165231920, 173358080, 188836480, 215813120, 264371072, 302138368, 330463840, 346716160, 377672960, 431626240, 528742144, 604276736, 660927680, 755345920, 1057484288, 1321855360, 1510691840, 2114968576, 2643710720, 3021383680, 4229937152, 5287421440, 10574842880, 21149685760]

約数ペア:

[(1, 21149685760), (2, 10574842880), (4, 5287421440), (5, 4229937152), (7, 3021383680), (8, 2643710720), (10, 2114968576), (14, 1510691840), (16, 1321855360), (20, 1057484288), (28, 755345920), (32, 660927680), (35, 604276736), (40, 528742144), (49, 431626240), (56, 377672960), (61, 346716160), (64, 330463840), (70, 302138368), (80, 264371072), (98, 215813120), (112, 188836480), (122, 173358080), (128, 165231920), (140, 151069184), (160, 132185536), (196, 107906560), (224, 94418240), (244, 86679040), (245, 86325248), (256, 82615960), (280, 75534592), (305, 69343232), (320, 66092768), (392, 53953280), (427, 49530880), (448, 47209120), (488, 43339520), (490, 43162624), (512, 41307980), (560, 37767296), (610, 34671616), (640, 33046384), (691, 30607360), (784, 26976640), (854, 24765440), (896, 23604560), (976, 21669760), (980, 21581312), (1024, 20653990), (1120, 18883648), (1220, 17335808), (1280, 16523192), (1382, 15303680), (1568, 13488320), (1708, 12382720), (1792, 11802280), (1952, 10834880), (1960, 10790656), (2048, 10326995), (2135, 9906176), (2240, 9441824), (2440, 8667904), (2560, 8261596), (2764, 7651840), (2989, 7075840), (3136, 6744160), (3416, 6191360), (3455, 6121472), (3584, 5901140), (3904, 5417440), (3920, 5395328), (4270, 4953088), (4480, 4720912), (4837, 4372480), (4880, 4333952), (5120, 4130798), (5528, 3825920), (5978, 3537920), (6272, 3372080), (6832, 3095680), (6910, 3060736), (7168, 2950570), (7808, 2708720), (7840, 2697664), (8540, 2476544), (8960, 2360456), (9674, 2186240), (9760, 2166976), (10240, 2065399), (11056, 1912960), (11956, 1768960), (12544, 1686040), (13664, 1547840), (13820, 1530368), (14336, 1475285), (14945, 1415168), (15616, 1354360), (15680, 1348832), (17080, 1238272), (17920, 1180228), (19348, 1093120), (19520, 1083488), (22112, 956480), (23912, 884480), (24185, 874496), (25088, 843020), (27328, 773920), (27640, 765184), (29890, 707584), (31232, 677180), (31360, 674416), (33859, 624640), (34160, 619136), (35840, 590114), (38696, 546560), (39040, 541744), (42151, 501760), (44224, 478240), (47824, 442240), (48370, 437248), (50176, 421510), (54656, 386960), (55280, 382592), (59780, 353792), (62464, 338590), (62720, 337208), (67718, 312320), (68320, 309568), (71680, 295057), (77392, 273280), (78080, 270872), (84302, 250880), (88448, 239120), (95648, 221120), (96740, 218624), (100352, 210755), (109312, 193480), (110560, 191296), (119560, 176896), (124928, 169295), (125440, 168604), (135436, 156160), (136640, 154784)]