21215725440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3990

約数の個数: 512

約数和(自身を含む): 85937725440

約数和(自身を除く): 64722000000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 32, 35, 39, 40, 42, 48, 52, 56, 60, 62, 64, 65, 70, 78, 80, 84, 91, 93, 96, 104, 105, 112, 120, 124, 128, 130, 140, 155, 156, 160, 168, 182, 186, 192, 195, 208, 210, 217, 224, 240, 248, 260, 273, 280, 310, 312, 320, 336, 364, 372, 384, 390, 403, 416, 420, 434, 448, 455, 465, 480, 496, 520, 546, 560, 620, 624, 640, 651, 672, 728, 744, 780, 806, 832, 840, 868, 896, 910, 930, 960, 992, 1040, 1085, 1092, 1120, 1209, 1240, 1248, 1302, 1344, 1365, 1456, 1488, 1560, 1612, 1664, 1680, 1736, 1820, 1860, 1920, 1984, 2015, 2080, 2170, 2184, 2240, 2418, 2480, 2496, 2604, 2688, 2730, 2821, 2912, 2976, 3120, 3224, 3255, 3360, 3472, 3640, 3720, 3917, 3968, 4030, 4160, 4340, 4368, 4480, 4836, 4960, 4992, 5208, 5460, 5642, 5824, 5952, 6045, 6240, 6448, 6510, 6720, 6944, 7280, 7440, 7834, 8060, 8320, 8463, 8680, 8736, 9672, 9920, 10416, 10920, 11284, 11648, 11751, 11904, 12090, 12480, 12896, 13020, 13440, 13888, 14105, 14560, 14880, 15668, 16120, 16926, 17360, 17472, 19344, 19585, 19840, 20832, 21840, 22568, 23502, 24180, 24960, 25792, 26040, 27419, 27776, 28210, 29120, 29760, 31336, 32240, 33852, 34720, 34944, 38688, 39170, 41664, 42315, 43680, 45136, 47004, 48360, 50921, 51584, 52080, 54838, 56420, 58240, 58755, 59520, 62672, 64480, 67704, 69440, 77376, 78340, 82257, 83328, 84630, 87360, 90272, 94008, 96720, 101842, 104160, 109676, 112840, 117510, 121427, 125344, 128960, 135408, 137095, 138880, 152763, 154752, 156680, 164514, 169260, 174720, 180544, 188016, 193440, 203684, 208320, 219352, 225680, 235020, 242854, 250688, 254605, 257920, 270816, 274190, 305526, 313360, 329028, 338520, 356447, 361088, 364281, 376032, 386880, 407368, 411285, 416640, 438704, 451360, 470040, 485708, 501376, 509210, 541632, 548380, 607135, 611052, 626720, 658056, 677040, 712894, 728562, 752064, 763815, 773760, 814736, 822570, 849989, 877408, 902720, 940080, 971416, 1018420, 1069341, 1083264, 1096760, 1214270, 1222104, 1253440, 1316112, 1354080, 1425788, 1457124, 1504128, 1527630, 1578551, 1629472, 1645140, 1699978, 1754816, 1782235, 1805440, 1821405, 1880160, 1942832, 2036840, 2138682, 2193520, 2428540, 2444208, 2506880, 2549967, 2632224, 2708160, 2851576, 2914248, 3055260, 3157102, 3258944, 3290280, 3399956, 3509632, 3564470, 3642810, 3760320, 3885664, 4073680, 4249945, 4277364, 4387040, 4735653, 4857080, 4888416, 5099934, 5264448, 5346705, 5416320, 5703152, 5828496, 6110520, 6314204, 6517888, 6580560, 6799912, 7128940, 7285620, 7520640, 7771328, 7892755, 8147360, 8499890, 8554728, 8774080, 9471306, 9714160, 9776832, 10199868, 10528896, 10693410, 11049857, 11406304, 11656992, 12221040, 12628408, 12749835, 13161120, 13599824, 14257880, 14571240, 15542656, 15785510, 16294720, 16999780, 17109456, 17548160, 18942612, 19428320, 19553664, 20399736, 21386820, 22099714, 22812608, 23313984, 23678265, 24442080, 25256816, 25499670, 26322240, 27199648, 28515760, 29142480, 31571020, 32589440, 33149571, 33999560, 34218912, 37885224, 38856640, 40799472, 42773640, 44199428, 45625216, 46627968, 47356530, 48884160, 50513632, 50999340, 52644480, 54399296, 55249285, 57031520, 58284960, 63142040, 66299142, 67999120, 68437824, 75770448, 77713280, 81598944, 85547280, 88398856, 94713060, 97768320, 101027264, 101998680, 108798592, 110498570, 114063040, 116569920, 126284080, 132598284, 135998240, 136875648, 151540896, 163197888, 165747855, 171094560, 176797712, 189426120, 202054528, 203997360, 220997140, 228126080, 233139840, 252568160, 265196568, 271996480, 303081792, 326395776, 331495710, 342189120, 353595424, 378852240, 407994720, 441994280, 505136320, 530393136, 543992960, 606163584, 662991420, 684378240, 707190848, 757704480, 815989440, 883988560, 1010272640, 1060786272, 1325982840, 1414381696, 1515408960, 1631978880, 1767977120, 2121572544, 2651965680, 3030817920, 3535954240, 4243145088, 5303931360, 7071908480, 10607862720, 21215725440]

約数ペア:

[(1, 21215725440), (2, 10607862720), (3, 7071908480), (4, 5303931360), (5, 4243145088), (6, 3535954240), (7, 3030817920), (8, 2651965680), (10, 2121572544), (12, 1767977120), (13, 1631978880), (14, 1515408960), (15, 1414381696), (16, 1325982840), (20, 1060786272), (21, 1010272640), (24, 883988560), (26, 815989440), (28, 757704480), (30, 707190848), (31, 684378240), (32, 662991420), (35, 606163584), (39, 543992960), (40, 530393136), (42, 505136320), (48, 441994280), (52, 407994720), (56, 378852240), (60, 353595424), (62, 342189120), (64, 331495710), (65, 326395776), (70, 303081792), (78, 271996480), (80, 265196568), (84, 252568160), (91, 233139840), (93, 228126080), (96, 220997140), (104, 203997360), (105, 202054528), (112, 189426120), (120, 176797712), (124, 171094560), (128, 165747855), (130, 163197888), (140, 151540896), (155, 136875648), (156, 135998240), (160, 132598284), (168, 126284080), (182, 116569920), (186, 114063040), (192, 110498570), (195, 108798592), (208, 101998680), (210, 101027264), (217, 97768320), (224, 94713060), (240, 88398856), (248, 85547280), (260, 81598944), (273, 77713280), (280, 75770448), (310, 68437824), (312, 67999120), (320, 66299142), (336, 63142040), (364, 58284960), (372, 57031520), (384, 55249285), (390, 54399296), (403, 52644480), (416, 50999340), (420, 50513632), (434, 48884160), (448, 47356530), (455, 46627968), (465, 45625216), (480, 44199428), (496, 42773640), (520, 40799472), (546, 38856640), (560, 37885224), (620, 34218912), (624, 33999560), (640, 33149571), (651, 32589440), (672, 31571020), (728, 29142480), (744, 28515760), (780, 27199648), (806, 26322240), (832, 25499670), (840, 25256816), (868, 24442080), (896, 23678265), (910, 23313984), (930, 22812608), (960, 22099714), (992, 21386820), (1040, 20399736), (1085, 19553664), (1092, 19428320), (1120, 18942612), (1209, 17548160), (1240, 17109456), (1248, 16999780), (1302, 16294720), (1344, 15785510), (1365, 15542656), (1456, 14571240), (1488, 14257880), (1560, 13599824), (1612, 13161120), (1664, 12749835), (1680, 12628408), (1736, 12221040), (1820, 11656992), (1860, 11406304), (1920, 11049857), (1984, 10693410), (2015, 10528896), (2080, 10199868), (2170, 9776832), (2184, 9714160), (2240, 9471306), (2418, 8774080), (2480, 8554728), (2496, 8499890), (2604, 8147360), (2688, 7892755), (2730, 7771328), (2821, 7520640), (2912, 7285620), (2976, 7128940), (3120, 6799912), (3224, 6580560), (3255, 6517888), (3360, 6314204), (3472, 6110520), (3640, 5828496), (3720, 5703152), (3917, 5416320), (3968, 5346705), (4030, 5264448), (4160, 5099934), (4340, 4888416), (4368, 4857080), (4480, 4735653), (4836, 4387040), (4960, 4277364), (4992, 4249945), (5208, 4073680), (5460, 3885664), (5642, 3760320), (5824, 3642810), (5952, 3564470), (6045, 3509632), (6240, 3399956), (6448, 3290280), (6510, 3258944), (6720, 3157102), (6944, 3055260), (7280, 2914248), (7440, 2851576), (7834, 2708160), (8060, 2632224), (8320, 2549967), (8463, 2506880), (8680, 2444208), (8736, 2428540), (9672, 2193520), (9920, 2138682), (10416, 2036840), (10920, 1942832), (11284, 1880160), (11648, 1821405), (11751, 1805440), (11904, 1782235), (12090, 1754816), (12480, 1699978), (12896, 1645140), (13020, 1629472), (13440, 1578551), (13888, 1527630), (14105, 1504128), (14560, 1457124), (14880, 1425788), (15668, 1354080), (16120, 1316112), (16926, 1253440), (17360, 1222104), (17472, 1214270), (19344, 1096760), (19585, 1083264), (19840, 1069341), (20832, 1018420), (21840, 971416), (22568, 940080), (23502, 902720), (24180, 877408), (24960, 849989), (25792, 822570), (26040, 814736), (27419, 773760), (27776, 763815), (28210, 752064), (29120, 728562), (29760, 712894), (31336, 677040), (32240, 658056), (33852, 626720), (34720, 611052), (34944, 607135), (38688, 548380), (39170, 541632), (41664, 509210), (42315, 501376), (43680, 485708), (45136, 470040), (47004, 451360), (48360, 438704), (50921, 416640), (51584, 411285), (52080, 407368), (54838, 386880), (56420, 376032), (58240, 364281), (58755, 361088), (59520, 356447), (62672, 338520), (64480, 329028), (67704, 313360), (69440, 305526), (77376, 274190), (78340, 270816), (82257, 257920), (83328, 254605), (84630, 250688), (87360, 242854), (90272, 235020), (94008, 225680), (96720, 219352), (101842, 208320), (104160, 203684), (109676, 193440), (112840, 188016), (117510, 180544), (121427, 174720), (125344, 169260), (128960, 164514), (135408, 156680), (137095, 154752), (138880, 152763)]