21000742560

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{36551}}^1$

素因数の和:36601

約数の個数: 384

約数和(自身を含む): 88426598400

約数和(自身を除く): 67425855840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 160, 168, 171, 180, 189, 190, 210, 216, 224, 228, 240, 252, 266, 270, 280, 285, 288, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 480, 504, 513, 532, 540, 560, 570, 608, 630, 665, 672, 684, 720, 756, 760, 798, 840, 855, 864, 912, 945, 1008, 1026, 1064, 1080, 1120, 1140, 1197, 1260, 1330, 1368, 1440, 1512, 1520, 1596, 1680, 1710, 1824, 1890, 1995, 2016, 2052, 2128, 2160, 2280, 2394, 2520, 2565, 2660, 2736, 3024, 3040, 3192, 3360, 3420, 3591, 3780, 3990, 4104, 4256, 4320, 4560, 4788, 5040, 5130, 5320, 5472, 5985, 6048, 6384, 6840, 7182, 7560, 7980, 8208, 9120, 9576, 10080, 10260, 10640, 11970, 12768, 13680, 14364, 15120, 15960, 16416, 17955, 19152, 20520, 21280, 23940, 27360, 28728, 30240, 31920, 35910, 36551, 38304, 41040, 47880, 57456, 63840, 71820, 73102, 82080, 95760, 109653, 114912, 143640, 146204, 182755, 191520, 219306, 255857, 287280, 292408, 328959, 365510, 438612, 511714, 548265, 574560, 584816, 657918, 694469, 731020, 767571, 877224, 986877, 1023428, 1096530, 1169632, 1279285, 1315836, 1388938, 1462040, 1535142, 1644795, 1754448, 1973754, 2046856, 2083407, 2193060, 2302713, 2558570, 2631672, 2777876, 2924080, 3070284, 3289590, 3472345, 3508896, 3837855, 3947508, 4093712, 4166814, 4386120, 4605426, 4861283, 4934385, 5117140, 5263344, 5555752, 5848160, 6140568, 6250221, 6579180, 6908139, 6944690, 7675710, 7895016, 8187424, 8333628, 8772240, 9210852, 9722566, 9868770, 10234280, 10417035, 10526688, 11111504, 11513565, 12281136, 12500442, 13158360, 13816278, 13889380, 14583849, 15351420, 15790032, 16667256, 17544480, 18421704, 18750663, 19445132, 19737540, 20468560, 20834070, 22223008, 23027130, 24306415, 24562272, 25000884, 26316720, 27632556, 27778760, 29167698, 30702840, 31251105, 31580064, 33334512, 34540695, 36843408, 37501326, 38890264, 39475080, 40937120, 41668140, 43751547, 46054260, 48612830, 50001768, 52633440, 55265112, 55557520, 58335396, 61405680, 62502210, 66669024, 69081390, 72919245, 73686816, 75002652, 77780528, 78950160, 83336280, 87503094, 92108520, 93753315, 97225660, 100003536, 110530224, 111115040, 116670792, 122811360, 125004420, 131254641, 138162780, 145838490, 150005304, 155561056, 157900320, 166672560, 175006188, 184217040, 187506630, 194451320, 200007072, 218757735, 221060448, 233341584, 250008840, 262509282, 276325560, 291676980, 300010608, 333345120, 350012376, 368434080, 375013260, 388902640, 437515470, 466683168, 500017680, 525018564, 552651120, 583353960, 600021216, 656273205, 700024752, 750026520, 777805280, 875030940, 1000035360, 1050037128, 1105302240, 1166707920, 1312546410, 1400049504, 1500053040, 1750061880, 2100074256, 2333415840, 2625092820, 3000106080, 3500123760, 4200148512, 5250185640, 7000247520, 10500371280, 21000742560]

約数ペア:

[(1, 21000742560), (2, 10500371280), (3, 7000247520), (4, 5250185640), (5, 4200148512), (6, 3500123760), (7, 3000106080), (8, 2625092820), (9, 2333415840), (10, 2100074256), (12, 1750061880), (14, 1500053040), (15, 1400049504), (16, 1312546410), (18, 1166707920), (19, 1105302240), (20, 1050037128), (21, 1000035360), (24, 875030940), (27, 777805280), (28, 750026520), (30, 700024752), (32, 656273205), (35, 600021216), (36, 583353960), (38, 552651120), (40, 525018564), (42, 500017680), (45, 466683168), (48, 437515470), (54, 388902640), (56, 375013260), (57, 368434080), (60, 350012376), (63, 333345120), (70, 300010608), (72, 291676980), (76, 276325560), (80, 262509282), (84, 250008840), (90, 233341584), (95, 221060448), (96, 218757735), (105, 200007072), (108, 194451320), (112, 187506630), (114, 184217040), (120, 175006188), (126, 166672560), (133, 157900320), (135, 155561056), (140, 150005304), (144, 145838490), (152, 138162780), (160, 131254641), (168, 125004420), (171, 122811360), (180, 116670792), (189, 111115040), (190, 110530224), (210, 100003536), (216, 97225660), (224, 93753315), (228, 92108520), (240, 87503094), (252, 83336280), (266, 78950160), (270, 77780528), (280, 75002652), (285, 73686816), (288, 72919245), (304, 69081390), (315, 66669024), (336, 62502210), (342, 61405680), (360, 58335396), (378, 55557520), (380, 55265112), (399, 52633440), (420, 50001768), (432, 48612830), (456, 46054260), (480, 43751547), (504, 41668140), (513, 40937120), (532, 39475080), (540, 38890264), (560, 37501326), (570, 36843408), (608, 34540695), (630, 33334512), (665, 31580064), (672, 31251105), (684, 30702840), (720, 29167698), (756, 27778760), (760, 27632556), (798, 26316720), (840, 25000884), (855, 24562272), (864, 24306415), (912, 23027130), (945, 22223008), (1008, 20834070), (1026, 20468560), (1064, 19737540), (1080, 19445132), (1120, 18750663), (1140, 18421704), (1197, 17544480), (1260, 16667256), (1330, 15790032), (1368, 15351420), (1440, 14583849), (1512, 13889380), (1520, 13816278), (1596, 13158360), (1680, 12500442), (1710, 12281136), (1824, 11513565), (1890, 11111504), (1995, 10526688), (2016, 10417035), (2052, 10234280), (2128, 9868770), (2160, 9722566), (2280, 9210852), (2394, 8772240), (2520, 8333628), (2565, 8187424), (2660, 7895016), (2736, 7675710), (3024, 6944690), (3040, 6908139), (3192, 6579180), (3360, 6250221), (3420, 6140568), (3591, 5848160), (3780, 5555752), (3990, 5263344), (4104, 5117140), (4256, 4934385), (4320, 4861283), (4560, 4605426), (4788, 4386120), (5040, 4166814), (5130, 4093712), (5320, 3947508), (5472, 3837855), (5985, 3508896), (6048, 3472345), (6384, 3289590), (6840, 3070284), (7182, 2924080), (7560, 2777876), (7980, 2631672), (8208, 2558570), (9120, 2302713), (9576, 2193060), (10080, 2083407), (10260, 2046856), (10640, 1973754), (11970, 1754448), (12768, 1644795), (13680, 1535142), (14364, 1462040), (15120, 1388938), (15960, 1315836), (16416, 1279285), (17955, 1169632), (19152, 1096530), (20520, 1023428), (21280, 986877), (23940, 877224), (27360, 767571), (28728, 731020), (30240, 694469), (31920, 657918), (35910, 584816), (36551, 574560), (38304, 548265), (41040, 511714), (47880, 438612), (57456, 365510), (63840, 328959), (71820, 292408), (73102, 287280), (82080, 255857), (95760, 219306), (109653, 191520), (114912, 182755), (143640, 146204)]