21491930880

素因数分解:

$2^8\times 3^5\times 5^1\times 7^1\times {\mathrm{9871}}^1$

素因数の和:9914

約数の個数: 432

約数和(自身を含む): 88139111424

約数和(自身を除く): 66647180544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 243, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 486, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 972, 1008, 1080, 1120, 1134, 1152, 1215, 1260, 1280, 1296, 1344, 1440, 1512, 1620, 1680, 1701, 1728, 1792, 1890, 1920, 1944, 2016, 2160, 2240, 2268, 2304, 2430, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3402, 3456, 3780, 3840, 3888, 4032, 4320, 4480, 4536, 4860, 5040, 5184, 5376, 5670, 5760, 6048, 6480, 6720, 6804, 6912, 7560, 7776, 8064, 8505, 8640, 8960, 9072, 9720, 9871, 10080, 10368, 11340, 11520, 12096, 12960, 13440, 13608, 15120, 15552, 16128, 17010, 17280, 18144, 19440, 19742, 20160, 20736, 22680, 24192, 25920, 26880, 27216, 29613, 30240, 31104, 34020, 34560, 36288, 38880, 39484, 40320, 45360, 48384, 49355, 51840, 54432, 59226, 60480, 62208, 68040, 69097, 72576, 77760, 78968, 80640, 88839, 90720, 98710, 103680, 108864, 118452, 120960, 136080, 138194, 145152, 148065, 155520, 157936, 177678, 181440, 197420, 207291, 217728, 236904, 241920, 266517, 272160, 276388, 296130, 311040, 315872, 345485, 355356, 362880, 394840, 414582, 435456, 444195, 473808, 533034, 544320, 552776, 592260, 621873, 631744, 690970, 710712, 725760, 789680, 799551, 829164, 888390, 947616, 1036455, 1066068, 1088640, 1105552, 1184520, 1243746, 1263488, 1332585, 1381940, 1421424, 1579360, 1599102, 1658328, 1776780, 1865619, 1895232, 2072910, 2132136, 2177280, 2211104, 2369040, 2398653, 2487492, 2526976, 2665170, 2763880, 2842848, 3109365, 3158720, 3198204, 3316656, 3553560, 3731238, 3790464, 3997755, 4145820, 4264272, 4422208, 4738080, 4797306, 4974984, 5330340, 5527760, 5596857, 5685696, 6218730, 6317440, 6396408, 6633312, 7107120, 7462476, 7580928, 7995510, 8291640, 8528544, 8844416, 9328095, 9476160, 9594612, 9949968, 10660680, 11055520, 11193714, 11371392, 11993265, 12437460, 12634880, 12792816, 13266624, 14214240, 14924952, 15991020, 16583280, 16790571, 17057088, 17688832, 18656190, 18952320, 19189224, 19899936, 21321360, 22111040, 22387428, 22742784, 23986530, 24874920, 25585632, 26533248, 27984285, 28428480, 29849904, 31982040, 33166560, 33581142, 34114176, 37312380, 37904640, 38378448, 39799872, 42642720, 44222080, 44774856, 47973060, 49749840, 51171264, 53066496, 55968570, 56856960, 59699808, 63964080, 66333120, 67162284, 68228352, 74624760, 76756896, 79599744, 83952855, 85285440, 88444160, 89549712, 95946120, 99499680, 102342528, 111937140, 113713920, 119399616, 127928160, 132666240, 134324568, 149249520, 153513792, 159199488, 167905710, 170570880, 179099424, 191892240, 198999360, 204685056, 223874280, 238799232, 255856320, 265332480, 268649136, 298499040, 307027584, 335811420, 341141760, 358198848, 383784480, 397998720, 447748560, 477598464, 511712640, 537298272, 596998080, 614055168, 671622840, 716397696, 767568960, 795997440, 895497120, 1023425280, 1074596544, 1193996160, 1343245680, 1432795392, 1535137920, 1790994240, 2149193088, 2387992320, 2686491360, 3070275840, 3581988480, 4298386176, 5372982720, 7163976960, 10745965440, 21491930880]

約数ペア:

[(1, 21491930880), (2, 10745965440), (3, 7163976960), (4, 5372982720), (5, 4298386176), (6, 3581988480), (7, 3070275840), (8, 2686491360), (9, 2387992320), (10, 2149193088), (12, 1790994240), (14, 1535137920), (15, 1432795392), (16, 1343245680), (18, 1193996160), (20, 1074596544), (21, 1023425280), (24, 895497120), (27, 795997440), (28, 767568960), (30, 716397696), (32, 671622840), (35, 614055168), (36, 596998080), (40, 537298272), (42, 511712640), (45, 477598464), (48, 447748560), (54, 397998720), (56, 383784480), (60, 358198848), (63, 341141760), (64, 335811420), (70, 307027584), (72, 298499040), (80, 268649136), (81, 265332480), (84, 255856320), (90, 238799232), (96, 223874280), (105, 204685056), (108, 198999360), (112, 191892240), (120, 179099424), (126, 170570880), (128, 167905710), (135, 159199488), (140, 153513792), (144, 149249520), (160, 134324568), (162, 132666240), (168, 127928160), (180, 119399616), (189, 113713920), (192, 111937140), (210, 102342528), (216, 99499680), (224, 95946120), (240, 89549712), (243, 88444160), (252, 85285440), (256, 83952855), (270, 79599744), (280, 76756896), (288, 74624760), (315, 68228352), (320, 67162284), (324, 66333120), (336, 63964080), (360, 59699808), (378, 56856960), (384, 55968570), (405, 53066496), (420, 51171264), (432, 49749840), (448, 47973060), (480, 44774856), (486, 44222080), (504, 42642720), (540, 39799872), (560, 38378448), (567, 37904640), (576, 37312380), (630, 34114176), (640, 33581142), (648, 33166560), (672, 31982040), (720, 29849904), (756, 28428480), (768, 27984285), (810, 26533248), (840, 25585632), (864, 24874920), (896, 23986530), (945, 22742784), (960, 22387428), (972, 22111040), (1008, 21321360), (1080, 19899936), (1120, 19189224), (1134, 18952320), (1152, 18656190), (1215, 17688832), (1260, 17057088), (1280, 16790571), (1296, 16583280), (1344, 15991020), (1440, 14924952), (1512, 14214240), (1620, 13266624), (1680, 12792816), (1701, 12634880), (1728, 12437460), (1792, 11993265), (1890, 11371392), (1920, 11193714), (1944, 11055520), (2016, 10660680), (2160, 9949968), (2240, 9594612), (2268, 9476160), (2304, 9328095), (2430, 8844416), (2520, 8528544), (2592, 8291640), (2688, 7995510), (2835, 7580928), (2880, 7462476), (3024, 7107120), (3240, 6633312), (3360, 6396408), (3402, 6317440), (3456, 6218730), (3780, 5685696), (3840, 5596857), (3888, 5527760), (4032, 5330340), (4320, 4974984), (4480, 4797306), (4536, 4738080), (4860, 4422208), (5040, 4264272), (5184, 4145820), (5376, 3997755), (5670, 3790464), (5760, 3731238), (6048, 3553560), (6480, 3316656), (6720, 3198204), (6804, 3158720), (6912, 3109365), (7560, 2842848), (7776, 2763880), (8064, 2665170), (8505, 2526976), (8640, 2487492), (8960, 2398653), (9072, 2369040), (9720, 2211104), (9871, 2177280), (10080, 2132136), (10368, 2072910), (11340, 1895232), (11520, 1865619), (12096, 1776780), (12960, 1658328), (13440, 1599102), (13608, 1579360), (15120, 1421424), (15552, 1381940), (16128, 1332585), (17010, 1263488), (17280, 1243746), (18144, 1184520), (19440, 1105552), (19742, 1088640), (20160, 1066068), (20736, 1036455), (22680, 947616), (24192, 888390), (25920, 829164), (26880, 799551), (27216, 789680), (29613, 725760), (30240, 710712), (31104, 690970), (34020, 631744), (34560, 621873), (36288, 592260), (38880, 552776), (39484, 544320), (40320, 533034), (45360, 473808), (48384, 444195), (49355, 435456), (51840, 414582), (54432, 394840), (59226, 362880), (60480, 355356), (62208, 345485), (68040, 315872), (69097, 311040), (72576, 296130), (77760, 276388), (78968, 272160), (80640, 266517), (88839, 241920), (90720, 236904), (98710, 217728), (103680, 207291), (108864, 197420), (118452, 181440), (120960, 177678), (136080, 157936), (138194, 155520), (145152, 148065)]