21307802880

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 864

約数和(自身を含む): 88314928128

約数和(自身を除く): 67007125248

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, 49, 52, 56, 60, 62, 64, 65, 70, 78, 80, 84, 91, 93, 96, 98, 104, 105, 112, 120, 124, 128, 130, 140, 147, 155, 156, 160, 168, 182, 186, 192, 195, 196, 208, 210, 217, 224, 240, 245, 248, 256, 260, 273, 280, 281, 294, 310, 312, 320, 336, 364, 372, 384, 390, 392, 403, 416, 420, 434, 448, 455, 465, 480, 490, 496, 520, 546, 560, 562, 588, 620, 624, 637, 640, 651, 672, 728, 735, 744, 768, 780, 784, 806, 832, 840, 843, 868, 896, 910, 930, 960, 980, 992, 1040, 1085, 1092, 1120, 1124, 1176, 1209, 1240, 1248, 1274, 1280, 1302, 1344, 1365, 1405, 1456, 1470, 1488, 1519, 1560, 1568, 1612, 1664, 1680, 1686, 1736, 1792, 1820, 1860, 1911, 1920, 1960, 1967, 1984, 2015, 2080, 2170, 2184, 2240, 2248, 2352, 2418, 2480, 2496, 2548, 2604, 2688, 2730, 2810, 2821, 2912, 2940, 2976, 3038, 3120, 3136, 3185, 3224, 3255, 3328, 3360, 3372, 3472, 3640, 3653, 3720, 3822, 3840, 3920, 3934, 3968, 4030, 4160, 4215, 4340, 4368, 4480, 4496, 4557, 4704, 4836, 4960, 4992, 5096, 5208, 5376, 5460, 5620, 5642, 5824, 5880, 5901, 5952, 6045, 6076, 6240, 6272, 6370, 6448, 6510, 6720, 6744, 6944, 7280, 7306, 7440, 7595, 7644, 7840, 7868, 7936, 8060, 8320, 8430, 8463, 8680, 8711, 8736, 8960, 8992, 9114, 9408, 9555, 9672, 9835, 9920, 9984, 10192, 10416, 10920, 10959, 11240, 11284, 11648, 11760, 11802, 11904, 12090, 12152, 12480, 12544, 12740, 12896, 13020, 13440, 13488, 13769, 13888, 14105, 14560, 14612, 14880, 15190, 15288, 15680, 15736, 16120, 16640, 16860, 16926, 17360, 17422, 17472, 17984, 18228, 18265, 18816, 19110, 19344, 19670, 19747, 19840, 20384, 20832, 21840, 21918, 22480, 22568, 22785, 23296, 23520, 23604, 23808, 24180, 24304, 24960, 25480, 25571, 25792, 26040, 26133, 26880, 26976, 27538, 27776, 28210, 29120, 29224, 29505, 29760, 30380, 30576, 31360, 31472, 32240, 33720, 33852, 34720, 34844, 34944, 35968, 36456, 36530, 37632, 38220, 38688, 39340, 39494, 39680, 40768, 41307, 41664, 42315, 43555, 43680, 43836, 44960, 45136, 45570, 47040, 47208, 48360, 48608, 49920, 50960, 51142, 51584, 52080, 52266, 53952, 54795, 55076, 55552, 56420, 58240, 58448, 59010, 59241, 59520, 60760, 60977, 61152, 62720, 62944, 64480, 67440, 67704, 68845, 69440, 69688, 69888, 71936, 72912, 73060, 76440, 76713, 77376, 78680, 78988, 81536, 82614, 83328, 84630, 87110, 87360, 87672, 89920, 90272, 91140, 94080, 94416, 96720, 97216, 98735, 101920, 102284, 103168, 104160, 104532, 107904, 109590, 110152, 112840, 113243, 116480, 116896, 118020, 118482, 119040, 121520, 121954, 122304, 125888, 127855, 128960, 130665, 134880, 135408, 137690, 138880, 139376, 145824, 146120, 152880, 153426, 154752, 157360, 157976, 163072, 165228, 166656, 169260, 174220, 174720, 175344, 178997, 179840, 180544, 182280, 182931, 188160, 188832, 193440, 194432, 197470, 203840, 204568, 206535, 208320, 209064, 215808, 219180, 220304, 225680, 226486, 233792, 236040, 236964, 243040, 243908, 244608, 251776, 255710, 257920, 261330, 269760, 270816, 275380, 277760, 278752, 291648, 292240, 296205, 304885, 305760, 306852, 309504, 314720, 315952, 330456, 338520, 339729, 348440, 349440, 350688, 357994, 359680, 361088, 364560, 365862, 377664, 383565, 386880, 388864, 394940, 407680, 409136, 413070, 416640, 418128, 426839, 438360, 440608, 451360, 452972, 467584, 472080, 473928, 486080, 487816, 489216, 503552, 511420, 515840, 522660, 536991, 539520, 541632, 550760, 557504, 566215, 583296, 584480, 592410, 609770, 611520, 613704, 629440, 631904, 660912, 677040, 679458, 696880, 701376, 715988, 722176, 729120, 731724, 755328, 767130, 773760, 789880, 792701, 815360, 818272, 826140, 833280, 836256, 853678, 876720, 881216, 894985, 902720, 905944, 914655, 935168, 944160, 947856, 972160, 975632, 1022840, 1045320, 1073982, 1079040, 1083264, 1101520, 1115008, 1132430, 1166592, 1168960, 1184820, 1219540, 1223040, 1227408, 1258880, 1263808, 1280517, 1321824, 1354080, 1358916, 1393760, 1402752, 1431976, 1458240, 1463448, 1510656, 1534260, 1547520, 1579760, 1585402, 1636544, 1652280, 1672512, 1698645, 1707356, 1753440, 1762432, 1789970, 1805440, 1811888, 1829310, 1888320, 1895712, 1944320, 1951264, 2045680, 2090640, 2134195, 2147964, 2166528, 2203040, 2230016, 2264860, 2337920, 2369640, 2378103, 2439080, 2446080, 2454816, 2517760, 2527616, 2561034, 2643648, 2684955, 2708160, 2717832, 2787520, 2805504, 2863952, 2916480, 2926896, 3068520, 3159520, 3170804, 3273088, 3304560, 3345024, 3397290, 3414712, 3506880, 3524864, 3579940, 3610880, 3623776, 3658620, 3776640, 3791424, 3902528, 3963505, 4091360, 4181280, 4268390, 4295928, 4406080, 4529720, 4675840, 4739280, 4756206, 4878160, 4909632, 5055232, 5122068, 5287296, 5369910, 5416320, 5435664, 5548907, 5575040, 5727904, 5832960, 5853792, 6137040, 6319040, 6341608, 6402585, 6546176, 6609120, 6690048, 6794580, 6829424, 7013760, 7159880, 7247552, 7317240, 7553280, 7582848, 7805056, 7927010, 8182720, 8362560, 8536780, 8591856, 8812160, 9059440, 9478560, 9512412, 9756320, 9819264, 10244136, 10574592, 10739820, 10832640, 10871328, 11097814, 11150080, 11455808, 11707584, 11890515, 12274080, 12638080, 12683216, 12805170, 13218240, 13589160, 13658848, 14027520, 14319760, 14495104, 14634480, 15165696, 15610112, 15854020, 16365440, 16646721, 16725120, 17073560, 17183712, 17624320, 18118880, 18957120, 19024824, 19512640, 19638528, 20488272, 21479640, 21742656, 22195628, 22911616, 23415168, 23781030, 24548160, 25276160, 25366432, 25610340, 26436480, 27178320, 27317696, 27744535, 28639520, 28990208, 29268960, 31708040, 32730880, 33293442, 33450240, 34147120, 34367424, 36237760, 37914240, 38049648, 39025280, 40976544, 42959280, 43485312, 44391256, 45823232, 46830336, 47562060, 49096320, 50732864, 51220680, 52872960, 54356640, 54635392, 55489070, 57279040, 58537920, 63416080, 66586884, 68294240, 68734848, 72475520, 75828480, 76099296, 78050560, 81953088, 83233605, 85918560, 86970624, 88782512, 95124120, 98192640, 101465728, 102441360, 108713280, 109270784, 110978140, 114558080, 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約数ペア:

[(1, 21307802880), (2, 10653901440), (3, 7102600960), (4, 5326950720), (5, 4261560576), (6, 3551300480), (7, 3043971840), (8, 2663475360), (10, 2130780288), (12, 1775650240), (13, 1639061760), (14, 1521985920), (15, 1420520192), (16, 1331737680), (20, 1065390144), (21, 1014657280), (24, 887825120), (26, 819530880), (28, 760992960), (30, 710260096), (31, 687348480), (32, 665868840), (35, 608794368), (39, 546353920), (40, 532695072), (42, 507328640), (48, 443912560), (49, 434853120), (52, 409765440), (56, 380496480), (60, 355130048), (62, 343674240), (64, 332934420), (65, 327812352), (70, 304397184), (78, 273176960), (80, 266347536), (84, 253664320), (91, 234151680), (93, 229116160), (96, 221956280), (98, 217426560), (104, 204882720), (105, 202931456), (112, 190248240), (120, 177565024), (124, 171837120), (128, 166467210), (130, 163906176), (140, 152198592), (147, 144951040), (155, 137469696), (156, 136588480), (160, 133173768), (168, 126832160), (182, 117075840), (186, 114558080), (192, 110978140), (195, 109270784), (196, 108713280), (208, 102441360), (210, 101465728), (217, 98192640), (224, 95124120), (240, 88782512), (245, 86970624), (248, 85918560), (256, 83233605), (260, 81953088), (273, 78050560), (280, 76099296), (281, 75828480), (294, 72475520), (310, 68734848), (312, 68294240), (320, 66586884), (336, 63416080), (364, 58537920), (372, 57279040), (384, 55489070), (390, 54635392), (392, 54356640), (403, 52872960), (416, 51220680), (420, 50732864), (434, 49096320), (448, 47562060), (455, 46830336), (465, 45823232), (480, 44391256), (490, 43485312), (496, 42959280), (520, 40976544), (546, 39025280), (560, 38049648), (562, 37914240), (588, 36237760), (620, 34367424), (624, 34147120), (637, 33450240), (640, 33293442), (651, 32730880), (672, 31708040), (728, 29268960), (735, 28990208), (744, 28639520), (768, 27744535), (780, 27317696), (784, 27178320), (806, 26436480), (832, 25610340), (840, 25366432), (843, 25276160), (868, 24548160), (896, 23781030), (910, 23415168), (930, 22911616), (960, 22195628), (980, 21742656), (992, 21479640), (1040, 20488272), (1085, 19638528), (1092, 19512640), (1120, 19024824), (1124, 18957120), (1176, 18118880), (1209, 17624320), (1240, 17183712), (1248, 17073560), (1274, 16725120), (1280, 16646721), (1302, 16365440), (1344, 15854020), (1365, 15610112), (1405, 15165696), (1456, 14634480), (1470, 14495104), (1488, 14319760), (1519, 14027520), (1560, 13658848), (1568, 13589160), (1612, 13218240), (1664, 12805170), (1680, 12683216), (1686, 12638080), (1736, 12274080), (1792, 11890515), (1820, 11707584), (1860, 11455808), (1911, 11150080), (1920, 11097814), (1960, 10871328), (1967, 10832640), (1984, 10739820), (2015, 10574592), (2080, 10244136), (2170, 9819264), (2184, 9756320), (2240, 9512412), (2248, 9478560), (2352, 9059440), (2418, 8812160), (2480, 8591856), (2496, 8536780), (2548, 8362560), (2604, 8182720), (2688, 7927010), (2730, 7805056), (2810, 7582848), (2821, 7553280), (2912, 7317240), (2940, 7247552), (2976, 7159880), (3038, 7013760), (3120, 6829424), (3136, 6794580), (3185, 6690048), (3224, 6609120), (3255, 6546176), (3328, 6402585), (3360, 6341608), (3372, 6319040), (3472, 6137040), (3640, 5853792), (3653, 5832960), (3720, 5727904), (3822, 5575040), (3840, 5548907), (3920, 5435664), (3934, 5416320), (3968, 5369910), (4030, 5287296), (4160, 5122068), (4215, 5055232), (4340, 4909632), (4368, 4878160), (4480, 4756206), (4496, 4739280), (4557, 4675840), (4704, 4529720), (4836, 4406080), (4960, 4295928), (4992, 4268390), (5096, 4181280), (5208, 4091360), (5376, 3963505), (5460, 3902528), (5620, 3791424), (5642, 3776640), (5824, 3658620), (5880, 3623776), (5901, 3610880), (5952, 3579940), (6045, 3524864), (6076, 3506880), (6240, 3414712), (6272, 3397290), (6370, 3345024), (6448, 3304560), (6510, 3273088), (6720, 3170804), (6744, 3159520), (6944, 3068520), (7280, 2926896), (7306, 2916480), (7440, 2863952), (7595, 2805504), (7644, 2787520), (7840, 2717832), (7868, 2708160), (7936, 2684955), (8060, 2643648), (8320, 2561034), (8430, 2527616), (8463, 2517760), (8680, 2454816), (8711, 2446080), (8736, 2439080), (8960, 2378103), (8992, 2369640), (9114, 2337920), (9408, 2264860), (9555, 2230016), (9672, 2203040), (9835, 2166528), (9920, 2147964), (9984, 2134195), (10192, 2090640), (10416, 2045680), (10920, 1951264), (10959, 1944320), (11240, 1895712), (11284, 1888320), (11648, 1829310), (11760, 1811888), (11802, 1805440), (11904, 1789970), (12090, 1762432), (12152, 1753440), (12480, 1707356), (12544, 1698645), (12740, 1672512), (12896, 1652280), (13020, 1636544), (13440, 1585402), (13488, 1579760), (13769, 1547520), (13888, 1534260), (14105, 1510656), (14560, 1463448), (14612, 1458240), (14880, 1431976), (15190, 1402752), (15288, 1393760), (15680, 1358916), (15736, 1354080), (16120, 1321824), (16640, 1280517), (16860, 1263808), (16926, 1258880), (17360, 1227408), (17422, 1223040), (17472, 1219540), (17984, 1184820), (18228, 1168960), (18265, 1166592), (18816, 1132430), (19110, 1115008), (19344, 1101520), (19670, 1083264), (19747, 1079040), (19840, 1073982), (20384, 1045320), (20832, 1022840), (21840, 975632), (21918, 972160), (22480, 947856), (22568, 944160), (22785, 935168), (23296, 914655), (23520, 905944), (23604, 902720), (23808, 894985), (24180, 881216), (24304, 876720), (24960, 853678), (25480, 836256), (25571, 833280), (25792, 826140), (26040, 818272), (26133, 815360), (26880, 792701), (26976, 789880), (27538, 773760), (27776, 767130), (28210, 755328), (29120, 731724), (29224, 729120), (29505, 722176), (29760, 715988), (30380, 701376), (30576, 696880), (31360, 679458), (31472, 677040), (32240, 660912), (33720, 631904), (33852, 629440), (34720, 613704), (34844, 611520), (34944, 609770), (35968, 592410), (36456, 584480), (36530, 583296), (37632, 566215), (38220, 557504), (38688, 550760), (39340, 541632), (39494, 539520), (39680, 536991), (40768, 522660), (41307, 515840), (41664, 511420), (42315, 503552), (43555, 489216), (43680, 487816), (43836, 486080), (44960, 473928), (45136, 472080), (45570, 467584), (47040, 452972), (47208, 451360), (48360, 440608), (48608, 438360), (49920, 426839), (50960, 418128), (51142, 416640), (51584, 413070), (52080, 409136), (52266, 407680), (53952, 394940), (54795, 388864), (55076, 386880), (55552, 383565), (56420, 377664), (58240, 365862), (58448, 364560), (59010, 361088), (59241, 359680), (59520, 357994), (60760, 350688), (60977, 349440), (61152, 348440), (62720, 339729), (62944, 338520), (64480, 330456), (67440, 315952), (67704, 314720), (68845, 309504), (69440, 306852), (69688, 305760), (69888, 304885), (71936, 296205), (72912, 292240), (73060, 291648), (76440, 278752), (76713, 277760), (77376, 275380), (78680, 270816), (78988, 269760), (81536, 261330), (82614, 257920), (83328, 255710), (84630, 251776), (87110, 244608), (87360, 243908), (87672, 243040), (89920, 236964), (90272, 236040), (91140, 233792), (94080, 226486), (94416, 225680), (96720, 220304), (97216, 219180), (98735, 215808), (101920, 209064), (102284, 208320), (103168, 206535), (104160, 204568), (104532, 203840), (107904, 197470), (109590, 194432), (110152, 193440), (112840, 188832), (113243, 188160), (116480, 182931), (116896, 182280), (118020, 180544), (118482, 179840), (119040, 178997), (121520, 175344), (121954, 174720), (122304, 174220), (125888, 169260), (127855, 166656), (128960, 165228), (130665, 163072), (134880, 157976), (135408, 157360), (137690, 154752), (138880, 153426), (139376, 152880), (145824, 146120)]