21821173920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23789}}^1$

素因数の和:23837

約数の個数: 432

約数和(自身を含む): 93289439880

約数和(自身を除く): 71468265960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 49, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 98, 104, 105, 112, 117, 120, 126, 130, 140, 144, 147, 156, 160, 168, 180, 182, 195, 196, 208, 210, 224, 234, 240, 245, 252, 260, 273, 280, 288, 294, 312, 315, 336, 360, 364, 390, 392, 416, 420, 441, 455, 468, 480, 490, 504, 520, 546, 560, 585, 588, 624, 630, 637, 672, 720, 728, 735, 780, 784, 819, 840, 882, 910, 936, 980, 1008, 1040, 1092, 1120, 1170, 1176, 1248, 1260, 1274, 1365, 1440, 1456, 1470, 1560, 1568, 1638, 1680, 1764, 1820, 1872, 1911, 1960, 2016, 2080, 2184, 2205, 2340, 2352, 2520, 2548, 2730, 2912, 2940, 3120, 3185, 3276, 3360, 3528, 3640, 3744, 3822, 3920, 4095, 4368, 4410, 4680, 4704, 5040, 5096, 5460, 5733, 5880, 6240, 6370, 6552, 7056, 7280, 7644, 7840, 8190, 8736, 8820, 9360, 9555, 10080, 10192, 10920, 11466, 11760, 12740, 13104, 14112, 14560, 15288, 16380, 17640, 18720, 19110, 20384, 21840, 22932, 23520, 23789, 25480, 26208, 28665, 30576, 32760, 35280, 38220, 43680, 45864, 47578, 50960, 57330, 61152, 65520, 70560, 71367, 76440, 91728, 95156, 101920, 114660, 118945, 131040, 142734, 152880, 166523, 183456, 190312, 214101, 229320, 237890, 285468, 305760, 309257, 333046, 356835, 380624, 428202, 458640, 475780, 499569, 570936, 618514, 666092, 713670, 761248, 832615, 856404, 917280, 927771, 951560, 999138, 1070505, 1141872, 1165661, 1237028, 1332184, 1427340, 1498707, 1546285, 1665230, 1712808, 1855542, 1903120, 1998276, 2141010, 2164799, 2283744, 2331322, 2474056, 2497845, 2664368, 2783313, 2854680, 2997414, 3092570, 3330460, 3425616, 3496983, 3711084, 3806240, 3996552, 4282020, 4329598, 4638855, 4662644, 4948112, 4995690, 5328736, 5566626, 5709360, 5828305, 5994828, 6185140, 6494397, 6660920, 6851232, 6993966, 7422168, 7493535, 7993104, 8564040, 8659196, 9277710, 9325288, 9896224, 9991380, 10490949, 10823995, 11133252, 11418720, 11656610, 11989656, 12370280, 12988794, 13321840, 13916565, 13987932, 14844336, 14987070, 15153593, 15986208, 17128080, 17318392, 17484915, 18555420, 18650576, 19483191, 19982760, 20981898, 21647990, 22266504, 23313220, 23979312, 24740560, 25977588, 26643680, 27833130, 27975864, 29688672, 29974140, 30307186, 32471985, 34256160, 34636784, 34969830, 37110840, 37301152, 38966382, 39965520, 41963796, 43295980, 44533008, 45460779, 46626440, 47958624, 49481120, 51955176, 52454745, 55666260, 55951728, 59948280, 60614372, 64943970, 69273568, 69939660, 74221680, 75767965, 77932764, 79931040, 83927592, 86591960, 89066016, 90921558, 93252880, 97415955, 103910352, 104909490, 111332520, 111903456, 119896560, 121228744, 129887940, 136382337, 139879320, 148443360, 151535930, 155865528, 167855184, 173183920, 181843116, 186505760, 194831910, 207820704, 209818980, 222665040, 227303895, 239793120, 242457488, 259775880, 272764674, 279758640, 303071860, 311731056, 335710368, 346367840, 363686232, 389663820, 419637960, 445330080, 454607790, 484914976, 519551760, 545529348, 559517280, 606143720, 623462112, 681911685, 727372464, 779327640, 839275920, 909215580, 1039103520, 1091058696, 1212287440, 1363823370, 1454744928, 1558655280, 1678551840, 1818431160, 2182117392, 2424574880, 2727646740, 3117310560, 3636862320, 4364234784, 5455293480, 7273724640, 10910586960, 21821173920]

約数ペア:

[(1, 21821173920), (2, 10910586960), (3, 7273724640), (4, 5455293480), (5, 4364234784), (6, 3636862320), (7, 3117310560), (8, 2727646740), (9, 2424574880), (10, 2182117392), (12, 1818431160), (13, 1678551840), (14, 1558655280), (15, 1454744928), (16, 1363823370), (18, 1212287440), (20, 1091058696), (21, 1039103520), (24, 909215580), (26, 839275920), (28, 779327640), (30, 727372464), (32, 681911685), (35, 623462112), (36, 606143720), (39, 559517280), (40, 545529348), (42, 519551760), (45, 484914976), (48, 454607790), (49, 445330080), (52, 419637960), (56, 389663820), (60, 363686232), (63, 346367840), (65, 335710368), (70, 311731056), (72, 303071860), (78, 279758640), (80, 272764674), (84, 259775880), (90, 242457488), (91, 239793120), (96, 227303895), (98, 222665040), (104, 209818980), (105, 207820704), (112, 194831910), (117, 186505760), (120, 181843116), (126, 173183920), (130, 167855184), (140, 155865528), (144, 151535930), (147, 148443360), (156, 139879320), (160, 136382337), (168, 129887940), (180, 121228744), (182, 119896560), (195, 111903456), (196, 111332520), (208, 104909490), (210, 103910352), (224, 97415955), (234, 93252880), (240, 90921558), (245, 89066016), (252, 86591960), (260, 83927592), (273, 79931040), (280, 77932764), (288, 75767965), (294, 74221680), (312, 69939660), (315, 69273568), (336, 64943970), (360, 60614372), (364, 59948280), (390, 55951728), (392, 55666260), (416, 52454745), (420, 51955176), (441, 49481120), (455, 47958624), (468, 46626440), (480, 45460779), (490, 44533008), (504, 43295980), (520, 41963796), (546, 39965520), (560, 38966382), (585, 37301152), (588, 37110840), (624, 34969830), (630, 34636784), (637, 34256160), (672, 32471985), (720, 30307186), (728, 29974140), (735, 29688672), (780, 27975864), (784, 27833130), (819, 26643680), (840, 25977588), (882, 24740560), (910, 23979312), (936, 23313220), (980, 22266504), (1008, 21647990), (1040, 20981898), (1092, 19982760), (1120, 19483191), (1170, 18650576), (1176, 18555420), (1248, 17484915), (1260, 17318392), (1274, 17128080), (1365, 15986208), (1440, 15153593), (1456, 14987070), (1470, 14844336), (1560, 13987932), (1568, 13916565), (1638, 13321840), (1680, 12988794), (1764, 12370280), (1820, 11989656), (1872, 11656610), (1911, 11418720), (1960, 11133252), (2016, 10823995), (2080, 10490949), (2184, 9991380), (2205, 9896224), (2340, 9325288), (2352, 9277710), (2520, 8659196), (2548, 8564040), (2730, 7993104), (2912, 7493535), (2940, 7422168), (3120, 6993966), (3185, 6851232), (3276, 6660920), (3360, 6494397), (3528, 6185140), (3640, 5994828), (3744, 5828305), (3822, 5709360), (3920, 5566626), (4095, 5328736), (4368, 4995690), (4410, 4948112), (4680, 4662644), (4704, 4638855), (5040, 4329598), (5096, 4282020), (5460, 3996552), (5733, 3806240), (5880, 3711084), (6240, 3496983), (6370, 3425616), (6552, 3330460), (7056, 3092570), (7280, 2997414), (7644, 2854680), (7840, 2783313), (8190, 2664368), (8736, 2497845), (8820, 2474056), (9360, 2331322), (9555, 2283744), (10080, 2164799), (10192, 2141010), (10920, 1998276), (11466, 1903120), (11760, 1855542), (12740, 1712808), (13104, 1665230), (14112, 1546285), (14560, 1498707), (15288, 1427340), (16380, 1332184), (17640, 1237028), (18720, 1165661), (19110, 1141872), (20384, 1070505), (21840, 999138), (22932, 951560), (23520, 927771), (23789, 917280), (25480, 856404), (26208, 832615), (28665, 761248), (30576, 713670), (32760, 666092), (35280, 618514), (38220, 570936), (43680, 499569), (45864, 475780), (47578, 458640), (50960, 428202), (57330, 380624), (61152, 356835), (65520, 333046), (70560, 309257), (71367, 305760), (76440, 285468), (91728, 237890), (95156, 229320), (101920, 214101), (114660, 190312), (118945, 183456), (131040, 166523), (142734, 152880)]