21021235200

素因数分解:

$2^{11}\times 3^2\times 5^2\times 7^4\times {\mathrm{19}}^1$

素因数の和:85

約数の個数: 1080

約数和(自身を含む): 92448965700

約数和(自身を除く): 71427730500

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 25, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 50, 56, 57, 60, 63, 64, 70, 72, 75, 76, 80, 84, 90, 95, 96, 98, 100, 105, 112, 114, 120, 126, 128, 133, 140, 144, 147, 150, 152, 160, 168, 171, 175, 180, 190, 192, 196, 200, 210, 224, 225, 228, 240, 245, 252, 256, 266, 280, 285, 288, 294, 300, 304, 315, 320, 336, 342, 343, 350, 360, 380, 384, 392, 399, 400, 420, 441, 448, 450, 456, 475, 480, 490, 504, 512, 525, 532, 560, 570, 576, 588, 600, 608, 630, 640, 665, 672, 684, 686, 700, 720, 735, 760, 768, 784, 798, 800, 840, 855, 882, 896, 900, 912, 931, 950, 960, 980, 1008, 1024, 1029, 1050, 1064, 1120, 1140, 1152, 1176, 1197, 1200, 1216, 1225, 1260, 1280, 1330, 1344, 1368, 1372, 1400, 1425, 1440, 1470, 1520, 1536, 1568, 1575, 1596, 1600, 1680, 1710, 1715, 1764, 1792, 1800, 1824, 1862, 1900, 1920, 1960, 1995, 2016, 2048, 2058, 2100, 2128, 2205, 2240, 2280, 2304, 2352, 2394, 2400, 2401, 2432, 2450, 2520, 2560, 2660, 2688, 2736, 2744, 2793, 2800, 2850, 2880, 2940, 3040, 3072, 3087, 3136, 3150, 3192, 3200, 3325, 3360, 3420, 3430, 3528, 3584, 3600, 3648, 3675, 3724, 3800, 3840, 3920, 3990, 4032, 4116, 4200, 4256, 4275, 4410, 4480, 4560, 4608, 4655, 4704, 4788, 4800, 4802, 4864, 4900, 5040, 5120, 5145, 5320, 5376, 5472, 5488, 5586, 5600, 5700, 5760, 5880, 5985, 6080, 6144, 6174, 6272, 6300, 6384, 6400, 6517, 6650, 6720, 6840, 6860, 7056, 7168, 7200, 7203, 7296, 7350, 7448, 7600, 7680, 7840, 7980, 8064, 8232, 8379, 8400, 8512, 8550, 8575, 8820, 8960, 9120, 9216, 9310, 9408, 9576, 9600, 9604, 9728, 9800, 9975, 10080, 10240, 10290, 10640, 10752, 10944, 10976, 11025, 11172, 11200, 11400, 11520, 11760, 11970, 12005, 12160, 12348, 12544, 12600, 12768, 12800, 13034, 13300, 13440, 13680, 13720, 13965, 14112, 14336, 14400, 14406, 14592, 14700, 14896, 15200, 15360, 15435, 15680, 15960, 16128, 16464, 16758, 16800, 17024, 17100, 17150, 17640, 17920, 18240, 18432, 18620, 18816, 19152, 19200, 19208, 19456, 19551, 19600, 19950, 20160, 20580, 21280, 21504, 21609, 21888, 21952, 22050, 22344, 22400, 22800, 23040, 23275, 23520, 23940, 24010, 24320, 24696, 25088, 25200, 25536, 25600, 25725, 26068, 26600, 26880, 27360, 27440, 27930, 28224, 28800, 28812, 29184, 29400, 29792, 29925, 30400, 30720, 30870, 31360, 31920, 32256, 32585, 32928, 33516, 33600, 34048, 34200, 34300, 35280, 35840, 36015, 36480, 37240, 37632, 38304, 38400, 38416, 38912, 39102, 39200, 39900, 40320, 41160, 41895, 42560, 43008, 43218, 43776, 43904, 44100, 44688, 44800, 45600, 45619, 46080, 46550, 47040, 47880, 48020, 48640, 49392, 50176, 50400, 51072, 51200, 51450, 52136, 53200, 53760, 54720, 54880, 55860, 56448, 57600, 57624, 58368, 58653, 58800, 59584, 59850, 60025, 60800, 61740, 62720, 63840, 64512, 65170, 65856, 67032, 67200, 68096, 68400, 68600, 69825, 70560, 71680, 72030, 72960, 74480, 75264, 76608, 76800, 76832, 77175, 78204, 78400, 79800, 80640, 82320, 83790, 85120, 86436, 87552, 87808, 88200, 89376, 89600, 91200, 91238, 92160, 93100, 94080, 95760, 96040, 97280, 97755, 98784, 100352, 100800, 102144, 102900, 104272, 106400, 107520, 108045, 109440, 109760, 111720, 112896, 115200, 115248, 116736, 117306, 117600, 119168, 119700, 120050, 121600, 123480, 125440, 127680, 129024, 130340, 131712, 134064, 134400, 136192, 136800, 136857, 137200, 139650, 141120, 144060, 145920, 148960, 150528, 153216, 153600, 153664, 154350, 156408, 156800, 159600, 161280, 162925, 164640, 167580, 170240, 172872, 175104, 175616, 176400, 178752, 179200, 180075, 182400, 182476, 186200, 188160, 191520, 192080, 194560, 195510, 197568, 201600, 204288, 205800, 208544, 209475, 212800, 215040, 216090, 218880, 219520, 223440, 225792, 228095, 230400, 230496, 234612, 235200, 238336, 239400, 240100, 243200, 246960, 250880, 255360, 260680, 263424, 268128, 268800, 272384, 273600, 273714, 274400, 279300, 282240, 288120, 291840, 293265, 297920, 301056, 306432, 307328, 308700, 312816, 313600, 319200, 322560, 325850, 329280, 335160, 340480, 345744, 350208, 351232, 352800, 357504, 358400, 360150, 364800, 364952, 372400, 376320, 383040, 384160, 391020, 395136, 403200, 408576, 410571, 411600, 417088, 418950, 425600, 432180, 437760, 439040, 446880, 451584, 456190, 460800, 460992, 469224, 470400, 476672, 478800, 480200, 486400, 488775, 493920, 501760, 510720, 521360, 526848, 536256, 537600, 540225, 547200, 547428, 548800, 558600, 564480, 576240, 583680, 586530, 595840, 612864, 614656, 617400, 625632, 627200, 638400, 645120, 651700, 658560, 670320, 680960, 684285, 691488, 702464, 705600, 715008, 720300, 729600, 729904, 744800, 752640, 766080, 768320, 782040, 790272, 806400, 817152, 821142, 823200, 834176, 837900, 851200, 864360, 875520, 878080, 893760, 903168, 912380, 921984, 938448, 940800, 953344, 957600, 960400, 972800, 977550, 987840, 1021440, 1042720, 1053696, 1072512, 1075200, 1080450, 1094400, 1094856, 1097600, 1117200, 1128960, 1140475, 1152480, 1173060, 1191680, 1225728, 1229312, 1234800, 1251264, 1254400, 1276800, 1303400, 1317120, 1340640, 1361920, 1368570, 1382976, 1411200, 1430016, 1440600, 1459200, 1459808, 1466325, 1489600, 1505280, 1532160, 1536640, 1564080, 1580544, 1612800, 1642284, 1646400, 1668352, 1675800, 1702400, 1728720, 1751040, 1756160, 1787520, 1824760, 1843968, 1876896, 1881600, 1906688, 1915200, 1920800, 1955100, 1975680, 2042880, 2052855, 2085440, 2107392, 2145024, 2160900, 2188800, 2189712, 2195200, 2234400, 2257920, 2280950, 2304960, 2346120, 2383360, 2451456, 2458624, 2469600, 2502528, 2508800, 2553600, 2606800, 2634240, 2681280, 2737140, 2765952, 2822400, 2860032, 2881200, 2918400, 2919616, 2932650, 2979200, 3064320, 3073280, 3128160, 3161088, 3225600, 3284568, 3292800, 3336704, 3351600, 3404800, 3421425, 3457440, 3512320, 3575040, 3649520, 3687936, 3753792, 3763200, 3830400, 3841600, 3910200, 3951360, 4085760, 4105710, 4170880, 4290048, 4321800, 4377600, 4379424, 4390400, 4468800, 4515840, 4561900, 4609920, 4692240, 4766720, 4917248, 4939200, 5005056, 5107200, 5213600, 5268480, 5362560, 5474280, 5531904, 5644800, 5720064, 5762400, 5839232, 5865300, 5958400, 6128640, 6146560, 6256320, 6322176, 6569136, 6585600, 6673408, 6703200, 6809600, 6842850, 6914880, 7150080, 7299040, 7375872, 7507584, 7526400, 7660800, 7683200, 7820400, 7902720, 8211420, 8341760, 8580096, 8643600, 8755200, 8758848, 8780800, 8937600, 9123800, 9219840, 9384480, 9533440, 9878400, 10010112, 10214400, 10264275, 10427200, 10536960, 10725120, 10948560, 11063808, 11289600, 11524800, 11678464, 11730600, 11916800, 12257280, 12293120, 12512640, 13138272, 13171200, 13346816, 13406400, 13685700, 13829760, 14300160, 14598080, 14751744, 15015168, 15321600, 15366400, 15640800, 15805440, 16422840, 16683520, 17160192, 17287200, 17517696, 17561600, 17875200, 18247600, 18439680, 18768960, 19756800, 20020224, 20428800, 20528550, 20854400, 21450240, 21897120, 22127616, 22579200, 23049600, 23356928, 23461200, 23833600, 24586240, 25025280, 26276544, 26342400, 26812800, 27371400, 27659520, 28600320, 29196160, 30030336, 30643200, 30732800, 31281600, 31610880, 32845680, 33367040, 34574400, 35035392, 35750400, 36495200, 36879360, 37537920, 39513600, 40040448, 41057100, 41708800, 42900480, 43794240, 44255232, 46099200, 46713856, 46922400, 47667200, 50050560, 52553088, 52684800, 53625600, 54742800, 55319040, 58392320, 60060672, 61286400, 61465600, 62563200, 65691360, 66734080, 69148800, 70070784, 71500800, 72990400, 73758720, 75075840, 79027200, 82114200, 83417600, 85800960, 87588480, 92198400, 93427712, 93844800, 100101120, 105106176, 107251200, 109485600, 110638080, 116784640, 120121344, 122931200, 125126400, 131382720, 138297600, 140141568, 143001600, 145980800, 150151680, 158054400, 164228400, 166835200, 175176960, 184396800, 187689600, 200202240, 210212352, 214502400, 218971200, 221276160, 233569280, 250252800, 262765440, 276595200, 280283136, 291961600, 300303360, 328456800, 333670400, 350353920, 368793600, 375379200, 420424704, 429004800, 437942400, 467138560, 500505600, 525530880, 553190400, 583923200, 600606720, 656913600, 700707840, 750758400, 840849408, 875884800, 1001011200, 1051061760, 1106380800, 1167846400, 1313827200, 1401415680, 1501516800, 1751769600, 2102123520, 2335692800, 2627654400, 3003033600, 3503539200, 4204247040, 5255308800, 7007078400, 10510617600, 21021235200]

約数ペア:

[(1, 21021235200), (2, 10510617600), (3, 7007078400), (4, 5255308800), (5, 4204247040), (6, 3503539200), (7, 3003033600), (8, 2627654400), (9, 2335692800), (10, 2102123520), (12, 1751769600), (14, 1501516800), (15, 1401415680), (16, 1313827200), (18, 1167846400), (19, 1106380800), (20, 1051061760), (21, 1001011200), (24, 875884800), (25, 840849408), (28, 750758400), (30, 700707840), (32, 656913600), (35, 600606720), (36, 583923200), (38, 553190400), (40, 525530880), (42, 500505600), (45, 467138560), (48, 437942400), (49, 429004800), (50, 420424704), (56, 375379200), (57, 368793600), (60, 350353920), (63, 333670400), (64, 328456800), (70, 300303360), (72, 291961600), (75, 280283136), (76, 276595200), (80, 262765440), (84, 250252800), (90, 233569280), (95, 221276160), (96, 218971200), (98, 214502400), (100, 210212352), (105, 200202240), (112, 187689600), (114, 184396800), (120, 175176960), (126, 166835200), (128, 164228400), (133, 158054400), (140, 150151680), (144, 145980800), (147, 143001600), (150, 140141568), (152, 138297600), (160, 131382720), (168, 125126400), (171, 122931200), (175, 120121344), (180, 116784640), (190, 110638080), (192, 109485600), (196, 107251200), (200, 105106176), (210, 100101120), (224, 93844800), (225, 93427712), (228, 92198400), (240, 87588480), (245, 85800960), (252, 83417600), (256, 82114200), (266, 79027200), (280, 75075840), (285, 73758720), (288, 72990400), (294, 71500800), (300, 70070784), (304, 69148800), (315, 66734080), (320, 65691360), (336, 62563200), (342, 61465600), (343, 61286400), (350, 60060672), (360, 58392320), (380, 55319040), (384, 54742800), (392, 53625600), (399, 52684800), (400, 52553088), (420, 50050560), (441, 47667200), (448, 46922400), (450, 46713856), (456, 46099200), (475, 44255232), (480, 43794240), (490, 42900480), (504, 41708800), (512, 41057100), (525, 40040448), (532, 39513600), (560, 37537920), (570, 36879360), (576, 36495200), (588, 35750400), (600, 35035392), (608, 34574400), (630, 33367040), (640, 32845680), (665, 31610880), (672, 31281600), (684, 30732800), (686, 30643200), (700, 30030336), (720, 29196160), (735, 28600320), (760, 27659520), (768, 27371400), (784, 26812800), (798, 26342400), (800, 26276544), (840, 25025280), (855, 24586240), (882, 23833600), (896, 23461200), (900, 23356928), (912, 23049600), (931, 22579200), (950, 22127616), (960, 21897120), (980, 21450240), (1008, 20854400), (1024, 20528550), (1029, 20428800), (1050, 20020224), (1064, 19756800), (1120, 18768960), (1140, 18439680), (1152, 18247600), (1176, 17875200), (1197, 17561600), (1200, 17517696), (1216, 17287200), (1225, 17160192), (1260, 16683520), (1280, 16422840), (1330, 15805440), (1344, 15640800), (1368, 15366400), (1372, 15321600), (1400, 15015168), (1425, 14751744), (1440, 14598080), (1470, 14300160), (1520, 13829760), (1536, 13685700), (1568, 13406400), (1575, 13346816), (1596, 13171200), (1600, 13138272), (1680, 12512640), (1710, 12293120), (1715, 12257280), (1764, 11916800), (1792, 11730600), (1800, 11678464), (1824, 11524800), (1862, 11289600), (1900, 11063808), (1920, 10948560), (1960, 10725120), (1995, 10536960), (2016, 10427200), (2048, 10264275), (2058, 10214400), (2100, 10010112), (2128, 9878400), (2205, 9533440), (2240, 9384480), (2280, 9219840), (2304, 9123800), (2352, 8937600), (2394, 8780800), (2400, 8758848), (2401, 8755200), (2432, 8643600), (2450, 8580096), (2520, 8341760), (2560, 8211420), (2660, 7902720), (2688, 7820400), (2736, 7683200), (2744, 7660800), (2793, 7526400), (2800, 7507584), (2850, 7375872), (2880, 7299040), (2940, 7150080), (3040, 6914880), (3072, 6842850), (3087, 6809600), (3136, 6703200), (3150, 6673408), (3192, 6585600), (3200, 6569136), (3325, 6322176), (3360, 6256320), (3420, 6146560), (3430, 6128640), (3528, 5958400), (3584, 5865300), (3600, 5839232), (3648, 5762400), (3675, 5720064), (3724, 5644800), (3800, 5531904), (3840, 5474280), (3920, 5362560), (3990, 5268480), (4032, 5213600), (4116, 5107200), (4200, 5005056), (4256, 4939200), (4275, 4917248), (4410, 4766720), (4480, 4692240), (4560, 4609920), (4608, 4561900), (4655, 4515840), (4704, 4468800), (4788, 4390400), (4800, 4379424), (4802, 4377600), (4864, 4321800), (4900, 4290048), (5040, 4170880), (5120, 4105710), (5145, 4085760), (5320, 3951360), (5376, 3910200), (5472, 3841600), (5488, 3830400), (5586, 3763200), (5600, 3753792), (5700, 3687936), (5760, 3649520), (5880, 3575040), (5985, 3512320), (6080, 3457440), (6144, 3421425), (6174, 3404800), (6272, 3351600), (6300, 3336704), (6384, 3292800), (6400, 3284568), (6517, 3225600), (6650, 3161088), (6720, 3128160), (6840, 3073280), (6860, 3064320), (7056, 2979200), (7168, 2932650), (7200, 2919616), (7203, 2918400), (7296, 2881200), (7350, 2860032), (7448, 2822400), (7600, 2765952), (7680, 2737140), (7840, 2681280), (7980, 2634240), (8064, 2606800), (8232, 2553600), (8379, 2508800), (8400, 2502528), (8512, 2469600), (8550, 2458624), (8575, 2451456), (8820, 2383360), (8960, 2346120), (9120, 2304960), (9216, 2280950), (9310, 2257920), (9408, 2234400), (9576, 2195200), (9600, 2189712), (9604, 2188800), (9728, 2160900), (9800, 2145024), (9975, 2107392), (10080, 2085440), (10240, 2052855), (10290, 2042880), (10640, 1975680), (10752, 1955100), (10944, 1920800), (10976, 1915200), (11025, 1906688), (11172, 1881600), (11200, 1876896), (11400, 1843968), (11520, 1824760), (11760, 1787520), (11970, 1756160), (12005, 1751040), (12160, 1728720), (12348, 1702400), (12544, 1675800), (12600, 1668352), (12768, 1646400), (12800, 1642284), (13034, 1612800), (13300, 1580544), (13440, 1564080), (13680, 1536640), (13720, 1532160), (13965, 1505280), (14112, 1489600), (14336, 1466325), (14400, 1459808), (14406, 1459200), (14592, 1440600), (14700, 1430016), (14896, 1411200), (15200, 1382976), (15360, 1368570), (15435, 1361920), (15680, 1340640), (15960, 1317120), (16128, 1303400), (16464, 1276800), (16758, 1254400), (16800, 1251264), (17024, 1234800), (17100, 1229312), (17150, 1225728), (17640, 1191680), (17920, 1173060), (18240, 1152480), (18432, 1140475), (18620, 1128960), (18816, 1117200), (19152, 1097600), (19200, 1094856), (19208, 1094400), (19456, 1080450), (19551, 1075200), (19600, 1072512), (19950, 1053696), (20160, 1042720), (20580, 1021440), (21280, 987840), (21504, 977550), (21609, 972800), (21888, 960400), (21952, 957600), (22050, 953344), (22344, 940800), (22400, 938448), (22800, 921984), (23040, 912380), (23275, 903168), (23520, 893760), (23940, 878080), (24010, 875520), (24320, 864360), (24696, 851200), (25088, 837900), (25200, 834176), (25536, 823200), (25600, 821142), (25725, 817152), (26068, 806400), (26600, 790272), (26880, 782040), (27360, 768320), (27440, 766080), (27930, 752640), (28224, 744800), (28800, 729904), (28812, 729600), (29184, 720300), (29400, 715008), (29792, 705600), (29925, 702464), (30400, 691488), (30720, 684285), (30870, 680960), (31360, 670320), (31920, 658560), (32256, 651700), (32585, 645120), (32928, 638400), (33516, 627200), (33600, 625632), (34048, 617400), (34200, 614656), (34300, 612864), (35280, 595840), (35840, 586530), (36015, 583680), (36480, 576240), (37240, 564480), (37632, 558600), (38304, 548800), (38400, 547428), (38416, 547200), (38912, 540225), (39102, 537600), (39200, 536256), (39900, 526848), (40320, 521360), (41160, 510720), (41895, 501760), (42560, 493920), (43008, 488775), (43218, 486400), (43776, 480200), (43904, 478800), (44100, 476672), (44688, 470400), (44800, 469224), (45600, 460992), (45619, 460800), (46080, 456190), (46550, 451584), (47040, 446880), (47880, 439040), (48020, 437760), (48640, 432180), (49392, 425600), (50176, 418950), (50400, 417088), (51072, 411600), (51200, 410571), (51450, 408576), (52136, 403200), (53200, 395136), (53760, 391020), (54720, 384160), (54880, 383040), (55860, 376320), (56448, 372400), (57600, 364952), (57624, 364800), (58368, 360150), (58653, 358400), (58800, 357504), (59584, 352800), (59850, 351232), (60025, 350208), (60800, 345744), (61740, 340480), (62720, 335160), (63840, 329280), (64512, 325850), (65170, 322560), (65856, 319200), (67032, 313600), (67200, 312816), (68096, 308700), (68400, 307328), (68600, 306432), (69825, 301056), (70560, 297920), (71680, 293265), (72030, 291840), (72960, 288120), (74480, 282240), (75264, 279300), (76608, 274400), (76800, 273714), (76832, 273600), (77175, 272384), (78204, 268800), (78400, 268128), (79800, 263424), (80640, 260680), (82320, 255360), (83790, 250880), (85120, 246960), (86436, 243200), (87552, 240100), (87808, 239400), (88200, 238336), (89376, 235200), (89600, 234612), (91200, 230496), (91238, 230400), (92160, 228095), (93100, 225792), (94080, 223440), (95760, 219520), (96040, 218880), (97280, 216090), (97755, 215040), (98784, 212800), (100352, 209475), (100800, 208544), (102144, 205800), (102900, 204288), (104272, 201600), (106400, 197568), (107520, 195510), (108045, 194560), (109440, 192080), (109760, 191520), (111720, 188160), (112896, 186200), (115200, 182476), (115248, 182400), (116736, 180075), (117306, 179200), (117600, 178752), (119168, 176400), (119700, 175616), (120050, 175104), (121600, 172872), (123480, 170240), (125440, 167580), (127680, 164640), (129024, 162925), (130340, 161280), (131712, 159600), (134064, 156800), (134400, 156408), (136192, 154350), (136800, 153664), (136857, 153600), (137200, 153216), (139650, 150528), (141120, 148960), (144060, 145920)]