21069457920

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{130639}}^1$

素因数の和:130675

約数の個数: 240

約数和(自身を含む): 83394305280

約数和(自身を除く): 62324847360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 13440, 16128, 17920, 20160, 23040, 26880, 32256, 40320, 53760, 80640, 130639, 161280, 261278, 391917, 522556, 653195, 783834, 914473, 1045112, 1175751, 1306390, 1567668, 1828946, 1959585, 2090224, 2351502, 2612780, 2743419, 3135336, 3657892, 3919170, 4180448, 4572365, 4703004, 5225560, 5486838, 5878755, 6270672, 7315784, 7838340, 8230257, 8360896, 9144730, 9406008, 10451120, 10973676, 11757510, 12541344, 13717095, 14631568, 15676680, 16460514, 16721792, 18289460, 18812016, 20902240, 21947352, 23515020, 25082688, 27434190, 29263136, 31353360, 32921028, 33443584, 36578920, 37624032, 41151285, 41804480, 43894704, 47030040, 50165376, 54868380, 58526272, 62706720, 65842056, 66887168, 73157840, 75248064, 82302570, 83608960, 87789408, 94060080, 100330752, 109736760, 117052544, 125413440, 131684112, 146315680, 150496128, 164605140, 167217920, 175578816, 188120160, 200661504, 219473520, 234105088, 250826880, 263368224, 292631360, 300992256, 329210280, 334435840, 351157632, 376240320, 438947040, 468210176, 501653760, 526736448, 585262720, 601984512, 658420560, 702315264, 752480640, 877894080, 1003307520, 1053472896, 1170525440, 1316841120, 1404630528, 1504961280, 1755788160, 2106945792, 2341050880, 2633682240, 3009922560, 3511576320, 4213891584, 5267364480, 7023152640, 10534728960, 21069457920]

約数ペア:

[(1, 21069457920), (2, 10534728960), (3, 7023152640), (4, 5267364480), (5, 4213891584), (6, 3511576320), (7, 3009922560), (8, 2633682240), (9, 2341050880), (10, 2106945792), (12, 1755788160), (14, 1504961280), (15, 1404630528), (16, 1316841120), (18, 1170525440), (20, 1053472896), (21, 1003307520), (24, 877894080), (28, 752480640), (30, 702315264), (32, 658420560), (35, 601984512), (36, 585262720), (40, 526736448), (42, 501653760), (45, 468210176), (48, 438947040), (56, 376240320), (60, 351157632), (63, 334435840), (64, 329210280), (70, 300992256), (72, 292631360), (80, 263368224), (84, 250826880), (90, 234105088), (96, 219473520), (105, 200661504), (112, 188120160), (120, 175578816), (126, 167217920), (128, 164605140), (140, 150496128), (144, 146315680), (160, 131684112), (168, 125413440), (180, 117052544), (192, 109736760), (210, 100330752), (224, 94060080), (240, 87789408), (252, 83608960), (256, 82302570), (280, 75248064), (288, 73157840), (315, 66887168), (320, 65842056), (336, 62706720), (360, 58526272), (384, 54868380), (420, 50165376), (448, 47030040), (480, 43894704), (504, 41804480), (512, 41151285), (560, 37624032), (576, 36578920), (630, 33443584), (640, 32921028), (672, 31353360), (720, 29263136), (768, 27434190), (840, 25082688), (896, 23515020), (960, 21947352), (1008, 20902240), (1120, 18812016), (1152, 18289460), (1260, 16721792), (1280, 16460514), (1344, 15676680), (1440, 14631568), (1536, 13717095), (1680, 12541344), (1792, 11757510), (1920, 10973676), (2016, 10451120), (2240, 9406008), (2304, 9144730), (2520, 8360896), (2560, 8230257), (2688, 7838340), (2880, 7315784), (3360, 6270672), (3584, 5878755), (3840, 5486838), (4032, 5225560), (4480, 4703004), (4608, 4572365), (5040, 4180448), (5376, 3919170), (5760, 3657892), (6720, 3135336), (7680, 2743419), (8064, 2612780), (8960, 2351502), (10080, 2090224), (10752, 1959585), (11520, 1828946), (13440, 1567668), (16128, 1306390), (17920, 1175751), (20160, 1045112), (23040, 914473), (26880, 783834), (32256, 653195), (40320, 522556), (53760, 391917), (80640, 261278), (130639, 161280)]