21387670920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 960

約数和(自身を含む): 93973556160

約数和(自身を除く): 72585885240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 37, 40, 42, 44, 45, 49, 54, 55, 56, 60, 63, 66, 70, 72, 74, 77, 81, 84, 88, 90, 98, 99, 105, 108, 110, 111, 120, 126, 132, 135, 140, 147, 148, 154, 162, 165, 168, 180, 185, 189, 196, 198, 210, 216, 220, 222, 231, 245, 252, 259, 264, 270, 280, 294, 296, 297, 308, 315, 324, 330, 331, 333, 360, 370, 378, 385, 392, 396, 405, 407, 420, 440, 441, 444, 462, 490, 495, 504, 518, 539, 540, 555, 567, 588, 594, 616, 630, 648, 660, 662, 666, 693, 735, 740, 756, 770, 777, 792, 810, 814, 840, 882, 888, 891, 924, 945, 980, 990, 993, 999, 1036, 1078, 1080, 1110, 1134, 1155, 1176, 1188, 1221, 1260, 1295, 1320, 1323, 1324, 1332, 1386, 1470, 1480, 1485, 1512, 1540, 1554, 1617, 1620, 1628, 1655, 1665, 1764, 1782, 1813, 1848, 1890, 1960, 1980, 1986, 1998, 2035, 2072, 2079, 2156, 2205, 2220, 2268, 2310, 2317, 2331, 2376, 2442, 2520, 2590, 2646, 2648, 2664, 2695, 2772, 2835, 2849, 2940, 2970, 2979, 2997, 3080, 3108, 3234, 3240, 3256, 3310, 3330, 3465, 3528, 3564, 3626, 3641, 3663, 3780, 3885, 3960, 3969, 3972, 3996, 4070, 4158, 4312, 4410, 4440, 4455, 4536, 4620, 4634, 4662, 4851, 4884, 4965, 4995, 5180, 5292, 5390, 5439, 5544, 5670, 5698, 5880, 5940, 5958, 5994, 6105, 6216, 6237, 6468, 6615, 6620, 6660, 6930, 6951, 6993, 7128, 7252, 7282, 7326, 7560, 7770, 7938, 7944, 7992, 8085, 8140, 8316, 8547, 8820, 8910, 8937, 9065, 9240, 9268, 9324, 9702, 9768, 9930, 9990, 10360, 10395, 10584, 10780, 10878, 10923, 10989, 11340, 11396, 11585, 11655, 11880, 11916, 11988, 12210, 12247, 12474, 12936, 13230, 13240, 13320, 13860, 13902, 13986, 14245, 14504, 14553, 14564, 14652, 14895, 14985, 15540, 15876, 16170, 16219, 16280, 16317, 16632, 17094, 17640, 17820, 17874, 18130, 18205, 18315, 18536, 18648, 19404, 19845, 19860, 19943, 19980, 20790, 20853, 20979, 21560, 21756, 21846, 21978, 22680, 22792, 23170, 23310, 23832, 23976, 24255, 24420, 24494, 24948, 25487, 25641, 26460, 26811, 27195, 27720, 27804, 27972, 28490, 29106, 29128, 29304, 29790, 29970, 31080, 31185, 31752, 32340, 32438, 32634, 32769, 32967, 34188, 34755, 34965, 35640, 35748, 36260, 36410, 36630, 36741, 38808, 39690, 39720, 39886, 39960, 41580, 41706, 41958, 42735, 43512, 43659, 43692, 43956, 44685, 46340, 46620, 48510, 48657, 48840, 48951, 48988, 49896, 50974, 51282, 52920, 53622, 54390, 54615, 54945, 55608, 55944, 56980, 58212, 59580, 59829, 59940, 61235, 62370, 62559, 64680, 64876, 65268, 65538, 65934, 68376, 69510, 69930, 71496, 72520, 72765, 72820, 73260, 73482, 76461, 76923, 79380, 79772, 81095, 81585, 83160, 83412, 83916, 85470, 85729, 87318, 87384, 87912, 89370, 92680, 93240, 97020, 97314, 97902, 97976, 98307, 99715, 101948, 102564, 104265, 104895, 107244, 108780, 109230, 109890, 110223, 113960, 116424, 119160, 119658, 119880, 122470, 124740, 125118, 127435, 128205, 129752, 130536, 131076, 131868, 134055, 134717, 139020, 139860, 145530, 145640, 145971, 146520, 146853, 146964, 152922, 153846, 158760, 159544, 162190, 163170, 163845, 164835, 166824, 167832, 170940, 171458, 174636, 178409, 178740, 179487, 183705, 187677, 194040, 194628, 195804, 196614, 199430, 203896, 205128, 208530, 209790, 214488, 217560, 218295, 218460, 219780, 220446, 229383, 230769, 239316, 243285, 244755, 244940, 249480, 250236, 254870, 256410, 257187, 262152, 263736, 268110, 269434, 278040, 279720, 291060, 291942, 293706, 293928, 294921, 299145, 305844, 307692, 312795, 324380, 326340, 327690, 329670, 330669, 341880, 342916, 349272, 356818, 357480, 358974, 367410, 375354, 382305, 384615, 389256, 391608, 393228, 398860, 404151, 417060, 419580, 428645, 436590, 436920, 437913, 439560, 440892, 458766, 461538, 478632, 486570, 489510, 489880, 491535, 500472, 509740, 512820, 514374, 535227, 536220, 538461, 538868, 551115, 582120, 583884, 587412, 589842, 598290, 600103, 611688, 615384, 625590, 648760, 652680, 655380, 659340, 661338, 673585, 685832, 688149, 713636, 717948, 729855, 734265, 734820, 750708, 764610, 769230, 771561, 786456, 797720, 808302, 834120, 839160, 857290, 873180, 875826, 881784, 892045, 897435, 917532, 923076, 938385, 943019, 973140, 979020, 983070, 992007, 1019480, 1025640, 1028748, 1070454, 1072440, 1076922, 1077736, 1102230, 1146915, 1153845, 1167768, 1174824, 1179684, 1196580, 1200206, 1212453, 1251180, 1285935, 1310760, 1313739, 1318680, 1322676, 1347170, 1376298, 1427272, 1435896, 1459710, 1468530, 1469640, 1474605, 1501416, 1529220, 1538460, 1543122, 1605681, 1615383, 1616604, 1653345, 1714580, 1746360, 1751652, 1784090, 1794870, 1800309, 1835064, 1846152, 1876770, 1886038, 1946280, 1958040, 1966140, 1984014, 2020755, 2057496, 2064447, 2140908, 2153844, 2189565, 2204460, 2293830, 2307690, 2314683, 2359368, 2393160, 2400412, 2424906, 2502360, 2571870, 2627478, 2645352, 2676135, 2692305, 2694340, 2752596, 2829057, 2919420, 2937060, 2949210, 3000515, 3058440, 3076920, 3086244, 3211362, 3230766, 3233208, 3306690, 3429160, 3440745, 3503304, 3568180, 3589740, 3600618, 3637359, 3753540, 3772076, 3857805, 3932280, 3968028, 4041510, 4128894, 4281816, 4307688, 4379130, 4408920, 4587660, 4615380, 4629366, 4715095, 4800824, 4817043, 4849812, 4960035, 5143740, 5254956, 5352270, 5384610, 5388680, 5400927, 5505192, 5658114, 5838840, 5874120, 5898420, 6001030, 6062265, 6172488, 6422724, 6461532, 6568695, 6601133, 6613380, 6881490, 6944049, 7136360, 7179480, 7201236, 7274718, 7507080, 7544152, 7715610, 7936056, 8028405, 8076915, 8083020, 8257788, 8487171, 8758260, 9001545, 9175320, 9230760, 9258732, 9430190, 9634086, 9699624, 9920070, 10287480, 10322235, 10509912, 10704540, 10769220, 10801854, 10912077, 11316228, 11573415, 11796840, 12002060, 12124530, 12845448, 12923064, 13137390, 13202266, 13226760, 13762980, 13888098, 14145285, 14402472, 14451129, 14549436, 15431220, 16056810, 16153830, 16166040, 16202781, 16515576, 16974342, 17516520, 18003090, 18186795, 18517464, 18860380, 19268172, 19803399, 19840140, 20644470, 21409080, 21538440, 21603708, 21824154, 22632456, 23146830, 24004120, 24085215, 24249060, 25461513, 26274780, 26404532, 27004635, 27525960, 27776196, 28290570, 28902258, 29098872, 30862440, 32113620, 32307660, 32405562, 33005665, 33948684, 34720245, 36006180, 36373590, 37720760, 38536344, 39606798, 39680280, 41288940, 42435855, 43207416, 43648308, 46293660, 48170430, 48498120, 48608343, 50923026, 52549560, 52809064, 54009270, 54560385, 55552392, 56581140, 57804516, 59410197, 64227240, 64615320, 64811124, 66011330, 67897368, 69440490, 72012360, 72255645, 72747180, 76384539, 79213596, 81013905, 82577880, 84871710, 87296616, 92587320, 96340860, 97216686, 99016995, 101846052, 108018540, 109120770, 113162280, 115609032, 118820394, 127307565, 129622248, 132022660, 138880980, 144511290, 145494360, 152769078, 158427192, 162027810, 169743420, 178230591, 192681720, 194433372, 198033990, 203692104, 216037080, 218241540, 237640788, 243041715, 254615130, 264045320, 277761960, 289022580, 297050985, 305538156, 324055620, 339486840, 356461182, 381922695, 388866744, 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約数ペア:

[(1, 21387670920), (2, 10693835460), (3, 7129223640), (4, 5346917730), (5, 4277534184), (6, 3564611820), (7, 3055381560), (8, 2673458865), (9, 2376407880), (10, 2138767092), (11, 1944333720), (12, 1782305910), (14, 1527690780), (15, 1425844728), (18, 1188203940), (20, 1069383546), (21, 1018460520), (22, 972166860), (24, 891152955), (27, 792135960), (28, 763845390), (30, 712922364), (33, 648111240), (35, 611076312), (36, 594101970), (37, 578045160), (40, 534691773), (42, 509230260), (44, 486083430), (45, 475281576), (49, 436483080), (54, 396067980), (55, 388866744), (56, 381922695), (60, 356461182), (63, 339486840), (66, 324055620), (70, 305538156), (72, 297050985), (74, 289022580), (77, 277761960), (81, 264045320), (84, 254615130), (88, 243041715), (90, 237640788), (98, 218241540), (99, 216037080), (105, 203692104), (108, 198033990), (110, 194433372), (111, 192681720), (120, 178230591), (126, 169743420), (132, 162027810), (135, 158427192), (140, 152769078), (147, 145494360), (148, 144511290), (154, 138880980), (162, 132022660), (165, 129622248), (168, 127307565), (180, 118820394), (185, 115609032), (189, 113162280), (196, 109120770), (198, 108018540), (210, 101846052), (216, 99016995), (220, 97216686), (222, 96340860), (231, 92587320), (245, 87296616), (252, 84871710), (259, 82577880), (264, 81013905), (270, 79213596), (280, 76384539), (294, 72747180), (296, 72255645), (297, 72012360), (308, 69440490), (315, 67897368), (324, 66011330), (330, 64811124), (331, 64615320), (333, 64227240), (360, 59410197), (370, 57804516), (378, 56581140), (385, 55552392), (392, 54560385), (396, 54009270), (405, 52809064), (407, 52549560), (420, 50923026), (440, 48608343), (441, 48498120), (444, 48170430), (462, 46293660), (490, 43648308), (495, 43207416), (504, 42435855), (518, 41288940), (539, 39680280), (540, 39606798), (555, 38536344), (567, 37720760), (588, 36373590), (594, 36006180), (616, 34720245), (630, 33948684), (648, 33005665), (660, 32405562), (662, 32307660), (666, 32113620), (693, 30862440), (735, 29098872), (740, 28902258), (756, 28290570), (770, 27776196), (777, 27525960), (792, 27004635), (810, 26404532), (814, 26274780), (840, 25461513), (882, 24249060), (888, 24085215), (891, 24004120), (924, 23146830), (945, 22632456), (980, 21824154), (990, 21603708), (993, 21538440), (999, 21409080), (1036, 20644470), (1078, 19840140), (1080, 19803399), (1110, 19268172), (1134, 18860380), (1155, 18517464), (1176, 18186795), (1188, 18003090), (1221, 17516520), (1260, 16974342), (1295, 16515576), (1320, 16202781), (1323, 16166040), (1324, 16153830), (1332, 16056810), (1386, 15431220), (1470, 14549436), (1480, 14451129), (1485, 14402472), (1512, 14145285), (1540, 13888098), (1554, 13762980), (1617, 13226760), (1620, 13202266), (1628, 13137390), (1655, 12923064), (1665, 12845448), (1764, 12124530), (1782, 12002060), (1813, 11796840), (1848, 11573415), (1890, 11316228), (1960, 10912077), (1980, 10801854), (1986, 10769220), (1998, 10704540), (2035, 10509912), (2072, 10322235), (2079, 10287480), (2156, 9920070), (2205, 9699624), (2220, 9634086), (2268, 9430190), (2310, 9258732), (2317, 9230760), (2331, 9175320), (2376, 9001545), (2442, 8758260), (2520, 8487171), (2590, 8257788), (2646, 8083020), (2648, 8076915), (2664, 8028405), (2695, 7936056), (2772, 7715610), (2835, 7544152), (2849, 7507080), (2940, 7274718), (2970, 7201236), (2979, 7179480), (2997, 7136360), (3080, 6944049), (3108, 6881490), (3234, 6613380), (3240, 6601133), (3256, 6568695), (3310, 6461532), (3330, 6422724), (3465, 6172488), (3528, 6062265), (3564, 6001030), (3626, 5898420), (3641, 5874120), (3663, 5838840), (3780, 5658114), (3885, 5505192), (3960, 5400927), (3969, 5388680), (3972, 5384610), (3996, 5352270), (4070, 5254956), (4158, 5143740), (4312, 4960035), (4410, 4849812), (4440, 4817043), (4455, 4800824), (4536, 4715095), (4620, 4629366), (4634, 4615380), (4662, 4587660), (4851, 4408920), (4884, 4379130), (4965, 4307688), (4995, 4281816), (5180, 4128894), (5292, 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834120), (26460, 808302), (26811, 797720), (27195, 786456), (27720, 771561), (27804, 769230), (27972, 764610), (28490, 750708), (29106, 734820), (29128, 734265), (29304, 729855), (29790, 717948), (29970, 713636), (31080, 688149), (31185, 685832), (31752, 673585), (32340, 661338), (32438, 659340), (32634, 655380), (32769, 652680), (32967, 648760), (34188, 625590), (34755, 615384), (34965, 611688), (35640, 600103), (35748, 598290), (36260, 589842), (36410, 587412), (36630, 583884), (36741, 582120), (38808, 551115), (39690, 538868), (39720, 538461), (39886, 536220), (39960, 535227), (41580, 514374), (41706, 512820), (41958, 509740), (42735, 500472), (43512, 491535), (43659, 489880), (43692, 489510), (43956, 486570), (44685, 478632), (46340, 461538), (46620, 458766), (48510, 440892), (48657, 439560), (48840, 437913), (48951, 436920), (48988, 436590), (49896, 428645), (50974, 419580), (51282, 417060), (52920, 404151), (53622, 398860), (54390, 393228), (54615, 391608), (54945, 389256), (55608, 384615), (55944, 382305), (56980, 375354), (58212, 367410), (59580, 358974), (59829, 357480), (59940, 356818), (61235, 349272), (62370, 342916), (62559, 341880), (64680, 330669), (64876, 329670), (65268, 327690), (65538, 326340), (65934, 324380), (68376, 312795), (69510, 307692), (69930, 305844), (71496, 299145), (72520, 294921), (72765, 293928), (72820, 293706), (73260, 291942), (73482, 291060), (76461, 279720), (76923, 278040), (79380, 269434), (79772, 268110), (81095, 263736), (81585, 262152), (83160, 257187), (83412, 256410), (83916, 254870), (85470, 250236), (85729, 249480), (87318, 244940), (87384, 244755), (87912, 243285), (89370, 239316), (92680, 230769), (93240, 229383), (97020, 220446), (97314, 219780), (97902, 218460), (97976, 218295), (98307, 217560), (99715, 214488), (101948, 209790), (102564, 208530), (104265, 205128), (104895, 203896), (107244, 199430), (108780, 196614), (109230, 195804), (109890, 194628), (110223, 194040), (113960, 187677), (116424, 183705), (119160, 179487), (119658, 178740), (119880, 178409), (122470, 174636), (124740, 171458), (125118, 170940), (127435, 167832), (128205, 166824), (129752, 164835), (130536, 163845), (131076, 163170), (131868, 162190), (134055, 159544), (134717, 158760), (139020, 153846), (139860, 152922), (145530, 146964), (145640, 146853), (145971, 146520)]