21131147520

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 864

約数和(自身を含む): 88159518720

約数和(自身を除く): 67028371200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 64, 70, 72, 79, 80, 84, 90, 93, 96, 105, 107, 112, 120, 124, 126, 128, 140, 144, 155, 158, 160, 168, 180, 186, 192, 210, 214, 217, 224, 237, 240, 248, 252, 256, 279, 280, 288, 310, 315, 316, 320, 321, 336, 360, 372, 384, 395, 420, 428, 434, 448, 465, 474, 480, 496, 504, 535, 553, 558, 560, 576, 620, 630, 632, 640, 642, 651, 672, 711, 720, 744, 749, 768, 790, 840, 856, 868, 896, 930, 948, 960, 963, 992, 1008, 1070, 1085, 1106, 1116, 1120, 1152, 1185, 1240, 1260, 1264, 1280, 1284, 1302, 1344, 1395, 1422, 1440, 1488, 1498, 1580, 1605, 1659, 1680, 1712, 1736, 1792, 1860, 1896, 1920, 1926, 1953, 1984, 2016, 2140, 2170, 2212, 2232, 2240, 2247, 2304, 2370, 2449, 2480, 2520, 2528, 2568, 2604, 2688, 2765, 2790, 2844, 2880, 2976, 2996, 3160, 3210, 3255, 3317, 3318, 3360, 3424, 3472, 3555, 3720, 3745, 3792, 3840, 3852, 3906, 3968, 4032, 4280, 4340, 4424, 4464, 4480, 4494, 4740, 4815, 4898, 4960, 4977, 5040, 5056, 5136, 5208, 5376, 5530, 5580, 5688, 5760, 5952, 5992, 6320, 6420, 6510, 6634, 6636, 6720, 6741, 6848, 6944, 7110, 7347, 7440, 7490, 7584, 7704, 7812, 7936, 8064, 8295, 8453, 8560, 8680, 8848, 8928, 8960, 8988, 9480, 9630, 9765, 9796, 9920, 9951, 9954, 10080, 10112, 10272, 10416, 11060, 11160, 11235, 11376, 11520, 11904, 11984, 12245, 12640, 12840, 13020, 13268, 13272, 13440, 13482, 13696, 13888, 14220, 14694, 14880, 14980, 15168, 15408, 15624, 16128, 16585, 16590, 16906, 17120, 17143, 17360, 17696, 17856, 17976, 18960, 19260, 19530, 19592, 19840, 19902, 19908, 20160, 20224, 20544, 20832, 22041, 22120, 22320, 22470, 22752, 23219, 23808, 23968, 24490, 24885, 25280, 25359, 25680, 26040, 26536, 26544, 26880, 26964, 27392, 27776, 28440, 29388, 29760, 29853, 29960, 30336, 30816, 31248, 33170, 33180, 33705, 33812, 34240, 34286, 34720, 35392, 35712, 35952, 36735, 37920, 38520, 39060, 39184, 39680, 39804, 39816, 40320, 41088, 41664, 42265, 44082, 44240, 44640, 44940, 45504, 46438, 47936, 48980, 49755, 49770, 50560, 50718, 51360, 51429, 52080, 53072, 53088, 53928, 55552, 56880, 58776, 59171, 59520, 59706, 59920, 60672, 61632, 62496, 66340, 66360, 67410, 67624, 68480, 68572, 69440, 69657, 70784, 71424, 71904, 73470, 75840, 76077, 77040, 78120, 78368, 79608, 79632, 80640, 82176, 83328, 84530, 85715, 88164, 88480, 89280, 89880, 91008, 92876, 95872, 97960, 99510, 99540, 101120, 101436, 102720, 102858, 104160, 106144, 106176, 107856, 110205, 113760, 116095, 117552, 118342, 119040, 119412, 119840, 123264, 124992, 126795, 132680, 132720, 134820, 135248, 136960, 137144, 138880, 139314, 141568, 143808, 146940, 149265, 151680, 152154, 154080, 154287, 156240, 156736, 159216, 159264, 166656, 169060, 171430, 176328, 176960, 177513, 178560, 179760, 182016, 185752, 191744, 195920, 199020, 199080, 202872, 205440, 205716, 208320, 208971, 212288, 212352, 215712, 220410, 227520, 232190, 235104, 236684, 238824, 239680, 246528, 249984, 253590, 257145, 262043, 265360, 265440, 269640, 270496, 274288, 277760, 278628, 287616, 293880, 295855, 298530, 303360, 304308, 308160, 308574, 312480, 313472, 318432, 318528, 338120, 342860, 348285, 352656, 353920, 355026, 357120, 359520, 371504, 380385, 391840, 398040, 398160, 405744, 410880, 411432, 416640, 417942, 424576, 424704, 431424, 440820, 455040, 464380, 470208, 473368, 477648, 479360, 499968, 507180, 514290, 524086, 530720, 530880, 532539, 539280, 540992, 548576, 557256, 575232, 587760, 591710, 597060, 608616, 616320, 617148, 624960, 626944, 636864, 637056, 676240, 685720, 696570, 705312, 707840, 710052, 719040, 743008, 760770, 771435, 783680, 786129, 796080, 796320, 811488, 822864, 833280, 835884, 849152, 862848, 881640, 887565, 910080, 928760, 940416, 946736, 955296, 958720, 1014360, 1028580, 1044855, 1048172, 1061440, 1061760, 1065078, 1078560, 1081984, 1097152, 1114512, 1175520, 1183420, 1194120, 1217232, 1232640, 1234296, 1249920, 1273728, 1274112, 1310215, 1352480, 1371440, 1393140, 1410624, 1420104, 1438080, 1486016, 1521540, 1542870, 1567360, 1572258, 1592160, 1592640, 1622976, 1645728, 1671768, 1725696, 1763280, 1775130, 1834301, 1857520, 1880832, 1893472, 1910592, 2028720, 2057160, 2089710, 2096344, 2122880, 2123520, 2130156, 2157120, 2163968, 2194304, 2229024, 2351040, 2358387, 2366840, 2388240, 2434464, 2468592, 2499840, 2547456, 2620430, 2662695, 2704960, 2742880, 2786280, 2821248, 2840208, 2876160, 2972032, 3043080, 3085740, 3134720, 3144516, 3184320, 3185280, 3245952, 3291456, 3343536, 3526560, 3550260, 3668602, 3715040, 3786944, 3821184, 3930645, 4057440, 4114320, 4179420, 4192688, 4245760, 4260312, 4314240, 4388608, 4458048, 4702080, 4716774, 4733680, 4776480, 4868928, 4937184, 5240860, 5325390, 5409920, 5485760, 5502903, 5572560, 5642496, 5680416, 5944064, 6086160, 6171480, 6289032, 6368640, 6370560, 6491904, 6582912, 6687072, 7053120, 7100520, 7337204, 7430080, 7573888, 7642368, 7861290, 8114880, 8228640, 8358840, 8385376, 8520624, 8628480, 8916096, 9171505, 9404160, 9433548, 9467360, 9552960, 9737856, 9874368, 10481720, 10650780, 10819840, 10971520, 11005806, 11145120, 11360832, 11791935, 12172320, 12342960, 12578064, 12737280, 13165824, 13374144, 14106240, 14201040, 14674408, 14860160, 15147776, 15722580, 16229760, 16457280, 16508709, 16717680, 16770752, 17041248, 17832192, 18343010, 18867096, 18934720, 19105920, 19475712, 19748736, 20963440, 21301560, 21943040, 22011612, 22290240, 22721664, 23583870, 24344640, 24685920, 25156128, 26748288, 27514515, 28212480, 28402080, 29348816, 29720320, 31445160, 32459520, 32914560, 33017418, 33435360, 33541504, 34082496, 36686020, 37734192, 37869440, 38211840, 39497472, 41926880, 42603120, 44023224, 44580480, 45443328, 47167740, 48689280, 49371840, 50312256, 53496576, 55029030, 56804160, 58697632, 62890320, 65829120, 66034836, 66870720, 67083008, 68164992, 73372040, 75468384, 75738880, 82543545, 83853760, 85206240, 88046448, 89160960, 94335480, 97378560, 98743680, 100624512, 110058060, 113608320, 117395264, 125780640, 132069672, 133741440, 136329984, 146744080, 150936768, 165087090, 167707520, 170412480, 176092896, 188670960, 197487360, 201249024, 220116120, 227216640, 234790528, 251561280, 264139344, 267482880, 293488160, 301873536, 330174180, 335415040, 340824960, 352185792, 377341920, 440232240, 469581056, 503122560, 528278688, 586976320, 603747072, 660348360, 681649920, 704371584, 754683840, 880464480, 1006245120, 1056557376, 1173952640, 1320696720, 1408743168, 1509367680, 1760928960, 2113114752, 2347905280, 2641393440, 3018735360, 3521857920, 4226229504, 5282786880, 7043715840, 10565573760, 21131147520]

約数ペア:

[(1, 21131147520), (2, 10565573760), (3, 7043715840), (4, 5282786880), (5, 4226229504), (6, 3521857920), (7, 3018735360), (8, 2641393440), (9, 2347905280), (10, 2113114752), (12, 1760928960), (14, 1509367680), (15, 1408743168), (16, 1320696720), (18, 1173952640), (20, 1056557376), (21, 1006245120), (24, 880464480), (28, 754683840), (30, 704371584), (31, 681649920), (32, 660348360), (35, 603747072), (36, 586976320), (40, 528278688), (42, 503122560), (45, 469581056), (48, 440232240), (56, 377341920), (60, 352185792), (62, 340824960), (63, 335415040), (64, 330174180), (70, 301873536), (72, 293488160), (79, 267482880), (80, 264139344), (84, 251561280), (90, 234790528), (93, 227216640), (96, 220116120), (105, 201249024), (107, 197487360), (112, 188670960), (120, 176092896), (124, 170412480), (126, 167707520), (128, 165087090), (140, 150936768), (144, 146744080), (155, 136329984), (158, 133741440), (160, 132069672), (168, 125780640), (180, 117395264), (186, 113608320), (192, 110058060), (210, 100624512), (214, 98743680), (217, 97378560), (224, 94335480), (237, 89160960), (240, 88046448), (248, 85206240), (252, 83853760), (256, 82543545), (279, 75738880), (280, 75468384), (288, 73372040), (310, 68164992), (315, 67083008), (316, 66870720), (320, 66034836), (321, 65829120), (336, 62890320), (360, 58697632), (372, 56804160), (384, 55029030), (395, 53496576), (420, 50312256), (428, 49371840), (434, 48689280), (448, 47167740), (465, 45443328), (474, 44580480), (480, 44023224), (496, 42603120), (504, 41926880), (535, 39497472), (553, 38211840), (558, 37869440), (560, 37734192), (576, 36686020), (620, 34082496), (630, 33541504), (632, 33435360), (640, 33017418), (642, 32914560), (651, 32459520), (672, 31445160), (711, 29720320), (720, 29348816), (744, 28402080), (749, 28212480), (768, 27514515), (790, 26748288), (840, 25156128), (856, 24685920), (868, 24344640), (896, 23583870), (930, 22721664), (948, 22290240), (960, 22011612), (963, 21943040), (992, 21301560), (1008, 20963440), (1070, 19748736), (1085, 19475712), (1106, 19105920), (1116, 18934720), (1120, 18867096), (1152, 18343010), (1185, 17832192), (1240, 17041248), (1260, 16770752), (1264, 16717680), (1280, 16508709), (1284, 16457280), (1302, 16229760), (1344, 15722580), (1395, 15147776), (1422, 14860160), (1440, 14674408), (1488, 14201040), (1498, 14106240), (1580, 13374144), (1605, 13165824), (1659, 12737280), (1680, 12578064), (1712, 12342960), (1736, 12172320), (1792, 11791935), (1860, 11360832), (1896, 11145120), (1920, 11005806), (1926, 10971520), (1953, 10819840), (1984, 10650780), (2016, 10481720), (2140, 9874368), (2170, 9737856), (2212, 9552960), (2232, 9467360), (2240, 9433548), (2247, 9404160), (2304, 9171505), (2370, 8916096), (2449, 8628480), (2480, 8520624), (2520, 8385376), (2528, 8358840), (2568, 8228640), (2604, 8114880), (2688, 7861290), (2765, 7642368), (2790, 7573888), (2844, 7430080), (2880, 7337204), (2976, 7100520), (2996, 7053120), (3160, 6687072), (3210, 6582912), (3255, 6491904), (3317, 6370560), (3318, 6368640), (3360, 6289032), (3424, 6171480), (3472, 6086160), (3555, 5944064), (3720, 5680416), (3745, 5642496), (3792, 5572560), (3840, 5502903), (3852, 5485760), (3906, 5409920), (3968, 5325390), (4032, 5240860), (4280, 4937184), (4340, 4868928), (4424, 4776480), (4464, 4733680), (4480, 4716774), (4494, 4702080), (4740, 4458048), (4815, 4388608), (4898, 4314240), (4960, 4260312), (4977, 4245760), (5040, 4192688), (5056, 4179420), (5136, 4114320), (5208, 4057440), (5376, 3930645), (5530, 3821184), (5580, 3786944), (5688, 3715040), (5760, 3668602), (5952, 3550260), (5992, 3526560), (6320, 3343536), (6420, 3291456), (6510, 3245952), (6634, 3185280), (6636, 3184320), (6720, 3144516), (6741, 3134720), (6848, 3085740), (6944, 3043080), (7110, 2972032), (7347, 2876160), (7440, 2840208), (7490, 2821248), (7584, 2786280), (7704, 2742880), (7812, 2704960), (7936, 2662695), (8064, 2620430), (8295, 2547456), (8453, 2499840), (8560, 2468592), (8680, 2434464), (8848, 2388240), (8928, 2366840), (8960, 2358387), (8988, 2351040), (9480, 2229024), (9630, 2194304), (9765, 2163968), (9796, 2157120), (9920, 2130156), (9951, 2123520), (9954, 2122880), (10080, 2096344), (10112, 2089710), (10272, 2057160), (10416, 2028720), (11060, 1910592), (11160, 1893472), (11235, 1880832), (11376, 1857520), (11520, 1834301), (11904, 1775130), (11984, 1763280), (12245, 1725696), (12640, 1671768), (12840, 1645728), (13020, 1622976), (13268, 1592640), (13272, 1592160), (13440, 1572258), (13482, 1567360), (13696, 1542870), (13888, 1521540), (14220, 1486016), (14694, 1438080), (14880, 1420104), (14980, 1410624), (15168, 1393140), (15408, 1371440), (15624, 1352480), (16128, 1310215), (16585, 1274112), (16590, 1273728), (16906, 1249920), (17120, 1234296), (17143, 1232640), (17360, 1217232), (17696, 1194120), (17856, 1183420), (17976, 1175520), (18960, 1114512), (19260, 1097152), (19530, 1081984), (19592, 1078560), (19840, 1065078), (19902, 1061760), (19908, 1061440), (20160, 1048172), (20224, 1044855), (20544, 1028580), (20832, 1014360), (22041, 958720), (22120, 955296), (22320, 946736), (22470, 940416), (22752, 928760), (23219, 910080), (23808, 887565), (23968, 881640), (24490, 862848), (24885, 849152), (25280, 835884), (25359, 833280), (25680, 822864), (26040, 811488), (26536, 796320), (26544, 796080), (26880, 786129), (26964, 783680), (27392, 771435), (27776, 760770), (28440, 743008), (29388, 719040), (29760, 710052), (29853, 707840), (29960, 705312), (30336, 696570), (30816, 685720), (31248, 676240), (33170, 637056), (33180, 636864), (33705, 626944), (33812, 624960), (34240, 617148), (34286, 616320), (34720, 608616), (35392, 597060), (35712, 591710), (35952, 587760), (36735, 575232), (37920, 557256), (38520, 548576), (39060, 540992), (39184, 539280), (39680, 532539), (39804, 530880), (39816, 530720), (40320, 524086), (41088, 514290), (41664, 507180), (42265, 499968), (44082, 479360), (44240, 477648), (44640, 473368), (44940, 470208), (45504, 464380), (46438, 455040), (47936, 440820), (48980, 431424), (49755, 424704), (49770, 424576), (50560, 417942), (50718, 416640), (51360, 411432), (51429, 410880), (52080, 405744), (53072, 398160), (53088, 398040), (53928, 391840), (55552, 380385), (56880, 371504), (58776, 359520), (59171, 357120), (59520, 355026), (59706, 353920), (59920, 352656), (60672, 348285), (61632, 342860), (62496, 338120), (66340, 318528), (66360, 318432), (67410, 313472), (67624, 312480), (68480, 308574), (68572, 308160), (69440, 304308), (69657, 303360), (70784, 298530), (71424, 295855), (71904, 293880), (73470, 287616), (75840, 278628), (76077, 277760), (77040, 274288), (78120, 270496), (78368, 269640), (79608, 265440), (79632, 265360), (80640, 262043), (82176, 257145), (83328, 253590), (84530, 249984), (85715, 246528), (88164, 239680), (88480, 238824), (89280, 236684), (89880, 235104), (91008, 232190), (92876, 227520), (95872, 220410), (97960, 215712), (99510, 212352), (99540, 212288), (101120, 208971), (101436, 208320), (102720, 205716), (102858, 205440), (104160, 202872), (106144, 199080), (106176, 199020), (107856, 195920), (110205, 191744), (113760, 185752), (116095, 182016), (117552, 179760), (118342, 178560), (119040, 177513), (119412, 176960), (119840, 176328), (123264, 171430), (124992, 169060), (126795, 166656), (132680, 159264), (132720, 159216), (134820, 156736), (135248, 156240), (136960, 154287), (137144, 154080), (138880, 152154), (139314, 151680), (141568, 149265), (143808, 146940)]