21031454640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:409

約数の個数: 480

約数和(自身を含む): 77800020480

約数和(自身を除く): 56768565840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 97, 98, 103, 105, 112, 120, 140, 147, 168, 179, 194, 196, 206, 210, 240, 245, 280, 291, 294, 309, 336, 358, 388, 392, 412, 420, 485, 490, 515, 537, 560, 582, 588, 618, 679, 716, 721, 735, 776, 784, 824, 840, 895, 970, 980, 1030, 1074, 1164, 1176, 1236, 1253, 1358, 1432, 1442, 1455, 1470, 1545, 1552, 1648, 1680, 1790, 1940, 1960, 2037, 2060, 2148, 2163, 2328, 2352, 2472, 2506, 2685, 2716, 2864, 2884, 2910, 2940, 3090, 3395, 3580, 3605, 3759, 3880, 3920, 4074, 4120, 4296, 4326, 4656, 4753, 4944, 5012, 5047, 5370, 5432, 5768, 5820, 5880, 6180, 6265, 6790, 7160, 7210, 7518, 7760, 8148, 8240, 8592, 8652, 8771, 9506, 9991, 10024, 10094, 10185, 10740, 10815, 10864, 11536, 11640, 11760, 12360, 12530, 13580, 14259, 14320, 14420, 15036, 15141, 16296, 17304, 17363, 17542, 18437, 18795, 19012, 19982, 20048, 20188, 20370, 21480, 21630, 23280, 23765, 24720, 25060, 25235, 26313, 27160, 28518, 28840, 29973, 30072, 30282, 32592, 34608, 34726, 35084, 36874, 37590, 38024, 39964, 40376, 40740, 42960, 43260, 43855, 47530, 49955, 50120, 50470, 52089, 52626, 54320, 55311, 57036, 57680, 59946, 60144, 60564, 69452, 69937, 70168, 71295, 73748, 75180, 75705, 76048, 79928, 80752, 81480, 86520, 86815, 87710, 92185, 95060, 99910, 100240, 100940, 104178, 105252, 110622, 114072, 119892, 121128, 121541, 129059, 131565, 138904, 139874, 140336, 142590, 147496, 149865, 150360, 151410, 159856, 162960, 173040, 173630, 175420, 184370, 190120, 199820, 201880, 208356, 209811, 210504, 221244, 228144, 239784, 242256, 243082, 258118, 260445, 263130, 276555, 277808, 279748, 285180, 294992, 299730, 300720, 302820, 347260, 349685, 350840, 364623, 368740, 380240, 387177, 399640, 403760, 416712, 419622, 421008, 442488, 479568, 486164, 489559, 516236, 520890, 526260, 553110, 559496, 570360, 599460, 605640, 607705, 645295, 694520, 699370, 701680, 729246, 737480, 774354, 799280, 833424, 839244, 850787, 884976, 903413, 972328, 979118, 1032472, 1041780, 1049055, 1052520, 1106220, 1118992, 1140720, 1198920, 1211280, 1215410, 1290590, 1389040, 1398740, 1458492, 1468677, 1474960, 1548708, 1678488, 1701574, 1788389, 1806826, 1823115, 1935885, 1944656, 1958236, 2064944, 2083560, 2098110, 2105040, 2212440, 2397840, 2430820, 2447795, 2552361, 2581180, 2710239, 2797480, 2916984, 2937354, 3097416, 3356976, 3403148, 3576778, 3613652, 3646230, 3871770, 3916472, 4167120, 4196220, 4253935, 4424880, 4517065, 4861640, 4895590, 5104722, 5162360, 5365167, 5420478, 5594960, 5833968, 5874708, 6194832, 6806296, 7153556, 7227304, 7292460, 7343385, 7743540, 7832944, 8392440, 8507870, 8941945, 9034130, 9723280, 9791180, 10209444, 10324720, 10730334, 10840956, 11749416, 12518723, 12761805, 13551195, 13612592, 14307112, 14454608, 14584920, 14686770, 15487080, 16784880, 17015740, 17883890, 18068260, 19582360, 20418888, 21460668, 21681912, 23498832, 25037446, 25523610, 26825835, 27102390, 28614224, 29169840, 29373540, 30974160, 34031480, 35767780, 36136520, 37556169, 39164720, 40837776, 42921336, 43363824, 50074892, 51047220, 53651670, 54204780, 58747080, 62593615, 68062960, 71535560, 72273040, 75112338, 85842672, 87631061, 100149784, 102094440, 107303340, 108409560, 117494160, 125187230, 143071120, 150224676, 175262122, 187780845, 200299568, 204188880, 214606680, 216819120, 250374460, 262893183, 300449352, 350524244, 375561690, 429213360, 438155305, 500748920, 525786366, 600898704, 701048488, 751123380, 876310610, 1001497840, 1051572732, 1314465915, 1402096976, 1502246760, 1752621220, 2103145464, 2628931830, 3004493520, 3505242440, 4206290928, 5257863660, 7010484880, 10515727320, 21031454640]

約数ペア:

[(1, 21031454640), (2, 10515727320), (3, 7010484880), (4, 5257863660), (5, 4206290928), (6, 3505242440), (7, 3004493520), (8, 2628931830), (10, 2103145464), (12, 1752621220), (14, 1502246760), (15, 1402096976), (16, 1314465915), (20, 1051572732), (21, 1001497840), (24, 876310610), (28, 751123380), (30, 701048488), (35, 600898704), (40, 525786366), (42, 500748920), (48, 438155305), (49, 429213360), (56, 375561690), (60, 350524244), (70, 300449352), (80, 262893183), (84, 250374460), (97, 216819120), (98, 214606680), (103, 204188880), (105, 200299568), (112, 187780845), (120, 175262122), (140, 150224676), (147, 143071120), (168, 125187230), (179, 117494160), (194, 108409560), (196, 107303340), (206, 102094440), (210, 100149784), (240, 87631061), (245, 85842672), (280, 75112338), (291, 72273040), (294, 71535560), (309, 68062960), (336, 62593615), (358, 58747080), (388, 54204780), (392, 53651670), (412, 51047220), (420, 50074892), (485, 43363824), (490, 42921336), (515, 40837776), (537, 39164720), (560, 37556169), (582, 36136520), (588, 35767780), (618, 34031480), (679, 30974160), (716, 29373540), (721, 29169840), (735, 28614224), (776, 27102390), (784, 26825835), (824, 25523610), (840, 25037446), (895, 23498832), (970, 21681912), (980, 21460668), (1030, 20418888), (1074, 19582360), (1164, 18068260), (1176, 17883890), (1236, 17015740), (1253, 16784880), (1358, 15487080), (1432, 14686770), (1442, 14584920), (1455, 14454608), (1470, 14307112), (1545, 13612592), (1552, 13551195), (1648, 12761805), (1680, 12518723), (1790, 11749416), (1940, 10840956), (1960, 10730334), (2037, 10324720), (2060, 10209444), (2148, 9791180), (2163, 9723280), (2328, 9034130), (2352, 8941945), (2472, 8507870), (2506, 8392440), (2685, 7832944), (2716, 7743540), (2864, 7343385), (2884, 7292460), (2910, 7227304), (2940, 7153556), (3090, 6806296), (3395, 6194832), (3580, 5874708), (3605, 5833968), (3759, 5594960), (3880, 5420478), (3920, 5365167), (4074, 5162360), (4120, 5104722), (4296, 4895590), (4326, 4861640), (4656, 4517065), (4753, 4424880), (4944, 4253935), (5012, 4196220), (5047, 4167120), (5370, 3916472), (5432, 3871770), (5768, 3646230), (5820, 3613652), (5880, 3576778), (6180, 3403148), (6265, 3356976), (6790, 3097416), (7160, 2937354), (7210, 2916984), (7518, 2797480), (7760, 2710239), (8148, 2581180), (8240, 2552361), (8592, 2447795), (8652, 2430820), (8771, 2397840), (9506, 2212440), (9991, 2105040), (10024, 2098110), (10094, 2083560), (10185, 2064944), (10740, 1958236), (10815, 1944656), (10864, 1935885), (11536, 1823115), (11640, 1806826), (11760, 1788389), (12360, 1701574), (12530, 1678488), (13580, 1548708), (14259, 1474960), (14320, 1468677), (14420, 1458492), (15036, 1398740), (15141, 1389040), (16296, 1290590), (17304, 1215410), (17363, 1211280), (17542, 1198920), (18437, 1140720), (18795, 1118992), (19012, 1106220), (19982, 1052520), (20048, 1049055), (20188, 1041780), (20370, 1032472), (21480, 979118), (21630, 972328), (23280, 903413), (23765, 884976), (24720, 850787), (25060, 839244), (25235, 833424), (26313, 799280), (27160, 774354), (28518, 737480), (28840, 729246), (29973, 701680), (30072, 699370), (30282, 694520), (32592, 645295), (34608, 607705), (34726, 605640), (35084, 599460), (36874, 570360), (37590, 559496), (38024, 553110), (39964, 526260), (40376, 520890), (40740, 516236), (42960, 489559), (43260, 486164), (43855, 479568), (47530, 442488), (49955, 421008), (50120, 419622), (50470, 416712), (52089, 403760), (52626, 399640), (54320, 387177), (55311, 380240), (57036, 368740), (57680, 364623), (59946, 350840), (60144, 349685), (60564, 347260), (69452, 302820), (69937, 300720), (70168, 299730), (71295, 294992), (73748, 285180), (75180, 279748), (75705, 277808), (76048, 276555), (79928, 263130), (80752, 260445), (81480, 258118), (86520, 243082), (86815, 242256), (87710, 239784), (92185, 228144), (95060, 221244), (99910, 210504), (100240, 209811), (100940, 208356), (104178, 201880), (105252, 199820), (110622, 190120), (114072, 184370), (119892, 175420), (121128, 173630), (121541, 173040), (129059, 162960), (131565, 159856), (138904, 151410), (139874, 150360), (140336, 149865), (142590, 147496)]