21611520

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 264

約数和(自身を含む): 86858304

約数和(自身を除く): 65246784

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, 67, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 134, 140, 144, 160, 168, 180, 192, 201, 210, 224, 240, 252, 256, 268, 280, 288, 315, 320, 335, 336, 360, 384, 402, 420, 448, 469, 480, 504, 512, 536, 560, 576, 603, 630, 640, 670, 672, 720, 768, 804, 840, 896, 938, 960, 1005, 1008, 1024, 1072, 1120, 1152, 1206, 1260, 1280, 1340, 1344, 1407, 1440, 1536, 1608, 1680, 1792, 1876, 1920, 2010, 2016, 2144, 2240, 2304, 2345, 2412, 2520, 2560, 2680, 2688, 2814, 2880, 3015, 3072, 3216, 3360, 3584, 3752, 3840, 4020, 4032, 4221, 4288, 4480, 4608, 4690, 4824, 5040, 5120, 5360, 5376, 5628, 5760, 6030, 6432, 6720, 7035, 7168, 7504, 7680, 8040, 8064, 8442, 8576, 8960, 9216, 9380, 9648, 10080, 10720, 10752, 11256, 11520, 12060, 12864, 13440, 14070, 15008, 15360, 16080, 16128, 16884, 17152, 17920, 18760, 19296, 20160, 21105, 21440, 21504, 22512, 23040, 24120, 25728, 26880, 28140, 30016, 32160, 32256, 33768, 34304, 35840, 37520, 38592, 40320, 42210, 42880, 45024, 46080, 48240, 51456, 53760, 56280, 60032, 64320, 64512, 67536, 68608, 75040, 77184, 80640, 84420, 85760, 90048, 96480, 102912, 107520, 112560, 120064, 128640, 135072, 150080, 154368, 161280, 168840, 171520, 180096, 192960, 205824, 225120, 240128, 257280, 270144, 300160, 308736, 322560, 337680, 343040, 360192, 385920, 450240, 480256, 514560, 540288, 600320, 617472, 675360, 720384, 771840, 900480, 1029120, 1080576, 1200640, 1350720, 1440768, 1543680, 1800960, 2161152, 2401280, 2701440, 3087360, 3601920, 4322304, 5402880, 7203840, 10805760, 21611520]

約数ペア:

[(1, 21611520), (2, 10805760), (3, 7203840), (4, 5402880), (5, 4322304), (6, 3601920), (7, 3087360), (8, 2701440), (9, 2401280), (10, 2161152), (12, 1800960), (14, 1543680), (15, 1440768), (16, 1350720), (18, 1200640), (20, 1080576), (21, 1029120), (24, 900480), (28, 771840), (30, 720384), (32, 675360), (35, 617472), (36, 600320), (40, 540288), (42, 514560), (45, 480256), (48, 450240), (56, 385920), (60, 360192), (63, 343040), (64, 337680), (67, 322560), (70, 308736), (72, 300160), (80, 270144), (84, 257280), (90, 240128), (96, 225120), (105, 205824), (112, 192960), (120, 180096), (126, 171520), (128, 168840), (134, 161280), (140, 154368), (144, 150080), (160, 135072), (168, 128640), (180, 120064), (192, 112560), (201, 107520), (210, 102912), (224, 96480), (240, 90048), (252, 85760), (256, 84420), (268, 80640), (280, 77184), (288, 75040), (315, 68608), (320, 67536), (335, 64512), (336, 64320), (360, 60032), (384, 56280), (402, 53760), (420, 51456), (448, 48240), (469, 46080), (480, 45024), (504, 42880), (512, 42210), (536, 40320), (560, 38592), (576, 37520), (603, 35840), (630, 34304), (640, 33768), (670, 32256), (672, 32160), (720, 30016), (768, 28140), (804, 26880), (840, 25728), (896, 24120), (938, 23040), (960, 22512), (1005, 21504), (1008, 21440), (1024, 21105), (1072, 20160), (1120, 19296), (1152, 18760), (1206, 17920), (1260, 17152), (1280, 16884), (1340, 16128), (1344, 16080), (1407, 15360), (1440, 15008), (1536, 14070), (1608, 13440), (1680, 12864), (1792, 12060), (1876, 11520), (1920, 11256), (2010, 10752), (2016, 10720), (2144, 10080), (2240, 9648), (2304, 9380), (2345, 9216), (2412, 8960), (2520, 8576), (2560, 8442), (2680, 8064), (2688, 8040), (2814, 7680), (2880, 7504), (3015, 7168), (3072, 7035), (3216, 6720), (3360, 6432), (3584, 6030), (3752, 5760), (3840, 5628), (4020, 5376), (4032, 5360), (4221, 5120), (4288, 5040), (4480, 4824), (4608, 4690)]