21000905719920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{9643}}^1\times {\mathrm{144037}}^1$

素因数の和:153709

約数の個数: 320

約数和(自身を含む): 82679379133440

約数和(自身を除く): 61678473413520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 9643, 15120, 19286, 28929, 38572, 48215, 57858, 67501, 77144, 86787, 96430, 115716, 135002, 144037, 144645, 154288, 173574, 192860, 202503, 231432, 260361, 270004, 288074, 289290, 337505, 347148, 385720, 405006, 432111, 433935, 462864, 520722, 540008, 576148, 578580, 607509, 675010, 694296, 720185, 771440, 810012, 864222, 867870, 1008259, 1012515, 1041444, 1080016, 1152296, 1157160, 1215018, 1296333, 1301805, 1350020, 1388592, 1440370, 1620024, 1728444, 1735740, 1822527, 2016518, 2025030, 2082888, 2160555, 2304592, 2314320, 2430036, 2592666, 2603610, 2700040, 2880740, 3024777, 3037545, 3240048, 3456888, 3471480, 3645054, 3888999, 4033036, 4050060, 4165776, 4321110, 4860072, 5041295, 5185332, 5207220, 5400080, 5761480, 6049554, 6075090, 6481665, 6913776, 6942960, 7290108, 7777998, 8066072, 8100120, 8642220, 9074331, 9112635, 9720144, 10082590, 10370664, 10414440, 11522960, 12099108, 12150180, 12963330, 14580216, 15123885, 15555996, 16132144, 16200240, 17284440, 18148662, 18225270, 19444995, 20165180, 20741328, 20828880, 24198216, 24300360, 25926660, 27222993, 29160432, 30247770, 31111992, 34568880, 36297324, 36450540, 38889990, 40330360, 45371655, 48396432, 48600720, 51853320, 54445986, 60495540, 62223984, 72594648, 72901080, 77779980, 80660720, 90743310, 103706640, 108891972, 120991080, 136114965, 145189296, 145802160, 155559960, 181486620, 217783944, 241982160, 272229930, 311119920, 362973240, 435567888, 544459860, 725946480, 1088919720, 1388948791, 2177839440, 2777897582, 4166846373, 5555795164, 6944743955, 8333692746, 9722641537, 11111590328, 12500539119, 13889487910, 16667385492, 19445283074, 20834231865, 22223180656, 25001078238, 27778975820, 29167924611, 33334770984, 37501617357, 38890566148, 41668463730, 48613207685, 50002156476, 55557951640, 58335849222, 62502695595, 66669541968, 75003234714, 77781132296, 83336927460, 87503773833, 97226415370, 100004312952, 111115903280, 116671698444, 125005391190, 145839623055, 150006469428, 155562264592, 166673854920, 175007547666, 187508086785, 194452830740, 200008625904, 233343396888, 250010782380, 262511321499, 291679246110, 300012938856, 333347709840, 350015095332, 375016173570, 388905661480, 437518869165, 466686793776, 500021564760, 525022642998, 583358492220, 600025877712, 700030190664, 750032347140, 777811322960, 875037738330, 1000043129520, 1050045285996, 1166716984440, 1312556607495, 1400060381328, 1500064694280, 1750075476660, 2100090571992, 2333433968880, 2625113214990, 3000129388560, 3500150953320, 4200181143984, 5250226429980, 7000301906640, 10500452859960, 21000905719920]

約数ペア:

[(1, 21000905719920), (2, 10500452859960), (3, 7000301906640), (4, 5250226429980), (5, 4200181143984), (6, 3500150953320), (7, 3000129388560), (8, 2625113214990), (9, 2333433968880), (10, 2100090571992), (12, 1750075476660), (14, 1500064694280), (15, 1400060381328), (16, 1312556607495), (18, 1166716984440), (20, 1050045285996), (21, 1000043129520), (24, 875037738330), (27, 777811322960), (28, 750032347140), (30, 700030190664), (35, 600025877712), (36, 583358492220), (40, 525022642998), (42, 500021564760), (45, 466686793776), (48, 437518869165), (54, 388905661480), (56, 375016173570), (60, 350015095332), (63, 333347709840), (70, 300012938856), (72, 291679246110), (80, 262511321499), (84, 250010782380), (90, 233343396888), (105, 200008625904), (108, 194452830740), (112, 187508086785), (120, 175007547666), (126, 166673854920), (135, 155562264592), (140, 150006469428), (144, 145839623055), (168, 125005391190), (180, 116671698444), (189, 111115903280), (210, 100004312952), (216, 97226415370), (240, 87503773833), (252, 83336927460), (270, 77781132296), (280, 75003234714), (315, 66669541968), (336, 62502695595), (360, 58335849222), (378, 55557951640), (420, 50002156476), (432, 48613207685), (504, 41668463730), (540, 38890566148), (560, 37501617357), (630, 33334770984), (720, 29167924611), (756, 27778975820), (840, 25001078238), (945, 22223180656), (1008, 20834231865), (1080, 19445283074), (1260, 16667385492), (1512, 13889487910), (1680, 12500539119), (1890, 11111590328), (2160, 9722641537), (2520, 8333692746), (3024, 6944743955), (3780, 5555795164), (5040, 4166846373), (7560, 2777897582), (9643, 2177839440), (15120, 1388948791), (19286, 1088919720), (28929, 725946480), (38572, 544459860), (48215, 435567888), (57858, 362973240), (67501, 311119920), (77144, 272229930), (86787, 241982160), (96430, 217783944), (115716, 181486620), (135002, 155559960), (144037, 145802160), (144645, 145189296), (154288, 136114965), (173574, 120991080), (192860, 108891972), (202503, 103706640), (231432, 90743310), (260361, 80660720), (270004, 77779980), (288074, 72901080), (289290, 72594648), (337505, 62223984), (347148, 60495540), (385720, 54445986), (405006, 51853320), (432111, 48600720), (433935, 48396432), (462864, 45371655), (520722, 40330360), (540008, 38889990), (576148, 36450540), (578580, 36297324), (607509, 34568880), (675010, 31111992), (694296, 30247770), (720185, 29160432), (771440, 27222993), (810012, 25926660), (864222, 24300360), (867870, 24198216), (1008259, 20828880), (1012515, 20741328), (1041444, 20165180), (1080016, 19444995), (1152296, 18225270), (1157160, 18148662), (1215018, 17284440), (1296333, 16200240), (1301805, 16132144), (1350020, 15555996), (1388592, 15123885), (1440370, 14580216), (1620024, 12963330), (1728444, 12150180), (1735740, 12099108), (1822527, 11522960), (2016518, 10414440), (2025030, 10370664), (2082888, 10082590), (2160555, 9720144), (2304592, 9112635), (2314320, 9074331), (2430036, 8642220), (2592666, 8100120), (2603610, 8066072), (2700040, 7777998), (2880740, 7290108), (3024777, 6942960), (3037545, 6913776), (3240048, 6481665), (3456888, 6075090), (3471480, 6049554), (3645054, 5761480), (3888999, 5400080), (4033036, 5207220), (4050060, 5185332), (4165776, 5041295), (4321110, 4860072)]