21006452880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 720

約数和(自身を含む): 85725566784

約数和(自身を除く): 64719113904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 49, 56, 60, 61, 63, 70, 72, 80, 84, 86, 90, 98, 105, 112, 120, 122, 126, 129, 140, 144, 147, 168, 172, 180, 183, 196, 210, 215, 227, 240, 244, 245, 252, 258, 280, 294, 301, 305, 315, 336, 344, 360, 366, 387, 392, 420, 427, 430, 441, 454, 488, 490, 504, 516, 549, 560, 588, 602, 610, 630, 645, 681, 688, 720, 732, 735, 774, 784, 840, 854, 860, 882, 903, 908, 915, 976, 980, 1008, 1032, 1098, 1135, 1176, 1204, 1220, 1260, 1281, 1290, 1362, 1464, 1470, 1505, 1548, 1589, 1680, 1708, 1720, 1764, 1806, 1816, 1830, 1935, 1960, 2043, 2064, 2107, 2135, 2196, 2205, 2270, 2352, 2408, 2440, 2520, 2562, 2580, 2623, 2709, 2724, 2745, 2928, 2940, 2989, 3010, 3096, 3178, 3405, 3416, 3440, 3528, 3612, 3632, 3660, 3843, 3870, 3920, 4086, 4214, 4270, 4392, 4410, 4515, 4540, 4767, 4816, 4880, 5040, 5124, 5160, 5246, 5418, 5448, 5490, 5880, 5978, 6020, 6192, 6321, 6356, 6405, 6810, 6832, 7056, 7224, 7320, 7686, 7740, 7869, 7945, 8172, 8428, 8540, 8784, 8820, 8967, 9030, 9080, 9534, 9761, 10215, 10248, 10320, 10492, 10535, 10836, 10896, 10980, 11123, 11760, 11956, 12040, 12642, 12712, 12810, 13115, 13545, 13620, 13847, 14301, 14448, 14640, 14945, 15372, 15480, 15738, 15890, 16344, 16856, 17080, 17640, 17934, 18060, 18160, 18361, 18963, 19068, 19215, 19522, 20430, 20496, 20984, 21070, 21672, 21960, 22246, 23607, 23835, 23912, 24080, 25284, 25424, 25620, 26230, 26901, 27090, 27240, 27694, 28602, 29283, 29890, 30744, 30960, 31476, 31605, 31780, 32688, 33369, 33712, 34160, 35280, 35868, 36120, 36722, 37926, 38136, 38430, 39044, 39345, 40860, 41541, 41968, 42140, 43344, 43920, 44492, 44835, 47214, 47670, 47824, 48805, 50568, 51240, 52460, 53802, 54180, 54480, 55083, 55388, 55615, 57204, 58566, 59780, 61488, 62952, 63210, 63560, 66738, 68327, 69235, 71505, 71736, 72240, 73444, 75852, 76272, 76860, 78088, 78690, 81720, 83082, 84280, 87849, 88984, 89670, 91805, 94428, 94815, 95340, 96929, 97610, 100107, 101136, 102480, 104920, 107604, 108360, 110166, 110776, 111230, 114408, 117132, 118035, 119560, 124623, 125904, 126420, 127120, 128527, 133476, 134505, 136654, 138470, 143010, 143472, 146415, 146888, 151704, 153720, 156176, 157380, 163440, 165249, 166164, 166845, 168560, 175698, 177968, 179340, 183610, 188856, 189630, 190680, 193858, 195220, 200214, 204981, 207705, 209840, 215208, 216720, 220332, 221552, 222460, 228816, 234264, 236070, 239120, 249246, 252840, 257054, 266952, 269010, 273308, 275415, 276940, 286020, 290787, 292830, 293776, 303408, 307440, 314760, 330498, 332328, 333690, 341635, 351396, 358680, 367220, 377712, 379260, 381360, 385581, 387716, 390440, 400428, 409962, 415410, 430416, 439245, 440664, 444920, 468528, 472140, 478289, 484645, 498492, 500535, 505680, 514108, 533904, 538020, 546616, 550830, 553880, 572040, 581574, 585660, 595421, 614943, 623115, 629520, 642635, 660996, 664656, 667380, 678503, 683270, 702792, 717360, 734440, 758520, 771162, 775432, 780880, 800856, 819924, 826245, 830820, 872361, 878490, 881328, 889840, 944280, 956578, 969290, 996984, 1001070, 1024905, 1028216, 1076040, 1093232, 1101660, 1107760, 1144080, 1156743, 1163148, 1171320, 1190842, 1229886, 1246230, 1285270, 1321992, 1334760, 1357006, 1366540, 1405584, 1434867, 1453935, 1468880, 1517040, 1542324, 1550864, 1601712, 1639848, 1652490, 1661640, 1744722, 1756980, 1786263, 1888560, 1913156, 1927905, 1938580, 1993968, 2002140, 2035509, 2049810, 2056432, 2152080, 2203320, 2313486, 2326296, 2342640, 2381684, 2391445, 2459772, 2492460, 2570540, 2643984, 2669520, 2714012, 2733080, 2869734, 2907870, 2977105, 3074715, 3084648, 3279696, 3304980, 3323280, 3392515, 3489444, 3513960, 3572526, 3826312, 3855810, 3877160, 4004280, 4071018, 4099620, 4167947, 4304601, 4361805, 4406640, 4626972, 4652592, 4763368, 4782890, 4919544, 4984920, 5141080, 5358789, 5428024, 5466160, 5739468, 5783715, 5815740, 5954210, 6106527, 6149430, 6169296, 6609960, 6785030, 6978888, 7027920, 7145052, 7174335, 7652624, 7711620, 7754320, 8008560, 8142036, 8199240, 8335894, 8609202, 8723610, 8931315, 9253944, 9526736, 9565780, 9839088, 9969840, 10177545, 10282160, 10717578, 10856048, 11478936, 11567430, 11631480, 11908420, 12213054, 12298860, 12503841, 13219920, 13570060, 13957776, 14290104, 14348670, 15423240, 16284072, 16398480, 16671788, 17218404, 17447220, 17862630, 18507888, 19131560, 20355090, 20839735, 21435156, 21523005, 22957872, 23134860, 23262960, 23816840, 24426108, 24597720, 25007682, 26793945, 27140120, 28580208, 28697340, 29175629, 30532635, 30846480, 32568144, 33343576, 34436808, 34894440, 35725260, 37511523, 38263120, 40710180, 41679470, 42870312, 43046010, 46269720, 47633680, 48852216, 49195440, 50015364, 53587890, 54280240, 57394680, 58351258, 61065270, 62519205, 66687152, 68873616, 69788880, 71450520, 75023046, 81420360, 83358940, 85740624, 86092020, 87526887, 92539440, 97704432, 100030728, 107175780, 114789360, 116702516, 122130540, 125038410, 142901040, 145878145, 150046092, 162840720, 166717880, 172184040, 175053774, 187557615, 200061456, 214351560, 233405032, 244261080, 250076820, 262580661, 291756290, 300092184, 333435760, 344368080, 350107548, 375115230, 428703120, 437634435, 466810064, 488522160, 500153640, 525161322, 583512580, 600184368, 700215096, 750230460, 875268870, 1000307280, 1050322644, 1167025160, 1312903305, 1400430192, 1500460920, 1750537740, 2100645288, 2334050320, 2625806610, 3000921840, 3501075480, 4201290576, 5251613220, 7002150960, 10503226440, 21006452880]

約数ペア:

[(1, 21006452880), (2, 10503226440), (3, 7002150960), (4, 5251613220), (5, 4201290576), (6, 3501075480), (7, 3000921840), (8, 2625806610), (9, 2334050320), (10, 2100645288), (12, 1750537740), (14, 1500460920), (15, 1400430192), (16, 1312903305), (18, 1167025160), (20, 1050322644), (21, 1000307280), (24, 875268870), (28, 750230460), (30, 700215096), (35, 600184368), (36, 583512580), (40, 525161322), (42, 500153640), (43, 488522160), (45, 466810064), (48, 437634435), (49, 428703120), (56, 375115230), (60, 350107548), (61, 344368080), (63, 333435760), (70, 300092184), (72, 291756290), (80, 262580661), (84, 250076820), (86, 244261080), (90, 233405032), (98, 214351560), (105, 200061456), (112, 187557615), (120, 175053774), (122, 172184040), (126, 166717880), (129, 162840720), (140, 150046092), (144, 145878145), (147, 142901040), (168, 125038410), (172, 122130540), (180, 116702516), (183, 114789360), (196, 107175780), (210, 100030728), (215, 97704432), (227, 92539440), (240, 87526887), (244, 86092020), (245, 85740624), (252, 83358940), (258, 81420360), (280, 75023046), (294, 71450520), (301, 69788880), (305, 68873616), (315, 66687152), (336, 62519205), (344, 61065270), (360, 58351258), (366, 57394680), (387, 54280240), (392, 53587890), (420, 50015364), (427, 49195440), (430, 48852216), (441, 47633680), (454, 46269720), (488, 43046010), (490, 42870312), (504, 41679470), (516, 40710180), (549, 38263120), (560, 37511523), (588, 35725260), (602, 34894440), (610, 34436808), (630, 33343576), (645, 32568144), (681, 30846480), (688, 30532635), (720, 29175629), (732, 28697340), (735, 28580208), (774, 27140120), (784, 26793945), (840, 25007682), (854, 24597720), (860, 24426108), (882, 23816840), (903, 23262960), (908, 23134860), (915, 22957872), (976, 21523005), (980, 21435156), (1008, 20839735), (1032, 20355090), (1098, 19131560), (1135, 18507888), (1176, 17862630), (1204, 17447220), (1220, 17218404), (1260, 16671788), (1281, 16398480), (1290, 16284072), (1362, 15423240), (1464, 14348670), (1470, 14290104), (1505, 13957776), (1548, 13570060), (1589, 13219920), (1680, 12503841), (1708, 12298860), (1720, 12213054), (1764, 11908420), (1806, 11631480), (1816, 11567430), (1830, 11478936), (1935, 10856048), (1960, 10717578), (2043, 10282160), (2064, 10177545), (2107, 9969840), (2135, 9839088), (2196, 9565780), (2205, 9526736), (2270, 9253944), (2352, 8931315), (2408, 8723610), (2440, 8609202), (2520, 8335894), (2562, 8199240), (2580, 8142036), (2623, 8008560), (2709, 7754320), (2724, 7711620), (2745, 7652624), (2928, 7174335), (2940, 7145052), (2989, 7027920), (3010, 6978888), (3096, 6785030), (3178, 6609960), (3405, 6169296), (3416, 6149430), (3440, 6106527), (3528, 5954210), (3612, 5815740), (3632, 5783715), (3660, 5739468), (3843, 5466160), (3870, 5428024), (3920, 5358789), (4086, 5141080), (4214, 4984920), (4270, 4919544), (4392, 4782890), (4410, 4763368), (4515, 4652592), (4540, 4626972), (4767, 4406640), (4816, 4361805), (4880, 4304601), (5040, 4167947), (5124, 4099620), (5160, 4071018), (5246, 4004280), (5418, 3877160), (5448, 3855810), (5490, 3826312), (5880, 3572526), (5978, 3513960), (6020, 3489444), (6192, 3392515), (6321, 3323280), (6356, 3304980), (6405, 3279696), (6810, 3084648), (6832, 3074715), (7056, 2977105), (7224, 2907870), (7320, 2869734), (7686, 2733080), (7740, 2714012), (7869, 2669520), (7945, 2643984), (8172, 2570540), (8428, 2492460), (8540, 2459772), (8784, 2391445), (8820, 2381684), (8967, 2342640), (9030, 2326296), (9080, 2313486), (9534, 2203320), (9761, 2152080), (10215, 2056432), (10248, 2049810), (10320, 2035509), (10492, 2002140), (10535, 1993968), (10836, 1938580), (10896, 1927905), (10980, 1913156), (11123, 1888560), (11760, 1786263), (11956, 1756980), (12040, 1744722), (12642, 1661640), (12712, 1652490), (12810, 1639848), (13115, 1601712), (13545, 1550864), (13620, 1542324), (13847, 1517040), (14301, 1468880), (14448, 1453935), (14640, 1434867), (14945, 1405584), (15372, 1366540), (15480, 1357006), (15738, 1334760), (15890, 1321992), (16344, 1285270), (16856, 1246230), (17080, 1229886), (17640, 1190842), (17934, 1171320), (18060, 1163148), (18160, 1156743), (18361, 1144080), (18963, 1107760), (19068, 1101660), (19215, 1093232), (19522, 1076040), (20430, 1028216), (20496, 1024905), (20984, 1001070), (21070, 996984), (21672, 969290), (21960, 956578), (22246, 944280), (23607, 889840), (23835, 881328), (23912, 878490), (24080, 872361), (25284, 830820), (25424, 826245), (25620, 819924), (26230, 800856), (26901, 780880), (27090, 775432), (27240, 771162), (27694, 758520), (28602, 734440), (29283, 717360), (29890, 702792), (30744, 683270), (30960, 678503), (31476, 667380), (31605, 664656), (31780, 660996), (32688, 642635), (33369, 629520), (33712, 623115), (34160, 614943), (35280, 595421), (35868, 585660), (36120, 581574), (36722, 572040), (37926, 553880), (38136, 550830), (38430, 546616), (39044, 538020), (39345, 533904), (40860, 514108), (41541, 505680), (41968, 500535), (42140, 498492), (43344, 484645), (43920, 478289), (44492, 472140), (44835, 468528), (47214, 444920), (47670, 440664), (47824, 439245), (48805, 430416), (50568, 415410), (51240, 409962), (52460, 400428), (53802, 390440), (54180, 387716), (54480, 385581), (55083, 381360), (55388, 379260), (55615, 377712), (57204, 367220), (58566, 358680), (59780, 351396), (61488, 341635), (62952, 333690), (63210, 332328), (63560, 330498), (66738, 314760), (68327, 307440), (69235, 303408), (71505, 293776), (71736, 292830), (72240, 290787), (73444, 286020), (75852, 276940), (76272, 275415), (76860, 273308), (78088, 269010), (78690, 266952), (81720, 257054), (83082, 252840), (84280, 249246), (87849, 239120), (88984, 236070), (89670, 234264), (91805, 228816), (94428, 222460), (94815, 221552), (95340, 220332), (96929, 216720), (97610, 215208), (100107, 209840), (101136, 207705), (102480, 204981), (104920, 200214), (107604, 195220), (108360, 193858), (110166, 190680), (110776, 189630), (111230, 188856), (114408, 183610), (117132, 179340), (118035, 177968), (119560, 175698), (124623, 168560), (125904, 166845), (126420, 166164), (127120, 165249), (128527, 163440), (133476, 157380), (134505, 156176), (136654, 153720), (138470, 151704), (143010, 146888), (143472, 146415)]