21013413120

素因数分解:

$2^8\times 3^3\times 5^1\times 7^1\times {\mathrm{86861}}^1$

素因数の和:86898

約数の個数: 288

約数和(自身を含む): 85222045440

約数和(自身を除く): 64208632320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 768, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1280, 1344, 1440, 1512, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2304, 2520, 2688, 2880, 3024, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 5040, 5376, 5760, 6048, 6720, 6912, 7560, 8064, 8640, 8960, 10080, 11520, 12096, 13440, 15120, 16128, 17280, 20160, 24192, 26880, 30240, 34560, 40320, 48384, 60480, 80640, 86861, 120960, 173722, 241920, 260583, 347444, 434305, 521166, 608027, 694888, 781749, 868610, 1042332, 1216054, 1302915, 1389776, 1563498, 1737220, 1824081, 2084664, 2345247, 2432108, 2605830, 2779552, 3040135, 3126996, 3474440, 3648162, 3908745, 4169328, 4690494, 4864216, 5211660, 5472243, 5559104, 6080270, 6253992, 6948880, 7296324, 7817490, 8338656, 9120405, 9380988, 9728432, 10423320, 10944486, 11118208, 11726235, 12160540, 12507984, 13897760, 14592648, 15634980, 16416729, 16677312, 18240810, 18761976, 19456864, 20846640, 21888972, 22236416, 23452470, 24321080, 25015968, 27361215, 27795520, 29185296, 31269960, 32833458, 33354624, 36481620, 37523952, 38913728, 41693280, 43777944, 46904940, 48642160, 50031936, 54722430, 55591040, 58370592, 62539920, 65666916, 66709248, 72963240, 75047904, 77827456, 82083645, 83386560, 87555888, 93809880, 97284320, 100063872, 109444860, 111182080, 116741184, 125079840, 131333832, 145926480, 150095808, 155654912, 164167290, 166773120, 175111776, 187619760, 194568640, 200127744, 218889720, 233482368, 250159680, 262667664, 291852960, 300191616, 328334580, 333546240, 350223552, 375239520, 389137280, 437779440, 466964736, 500319360, 525335328, 583705920, 600383232, 656669160, 700447104, 750479040, 778274560, 875558880, 1000638720, 1050670656, 1167411840, 1313338320, 1400894208, 1500958080, 1751117760, 2101341312, 2334823680, 2626676640, 3001916160, 3502235520, 4202682624, 5253353280, 7004471040, 10506706560, 21013413120]

約数ペア:

[(1, 21013413120), (2, 10506706560), (3, 7004471040), (4, 5253353280), (5, 4202682624), (6, 3502235520), (7, 3001916160), (8, 2626676640), (9, 2334823680), (10, 2101341312), (12, 1751117760), (14, 1500958080), (15, 1400894208), (16, 1313338320), (18, 1167411840), (20, 1050670656), (21, 1000638720), (24, 875558880), (27, 778274560), (28, 750479040), (30, 700447104), (32, 656669160), (35, 600383232), (36, 583705920), (40, 525335328), (42, 500319360), (45, 466964736), (48, 437779440), (54, 389137280), (56, 375239520), (60, 350223552), (63, 333546240), (64, 328334580), (70, 300191616), (72, 291852960), (80, 262667664), (84, 250159680), (90, 233482368), (96, 218889720), (105, 200127744), (108, 194568640), (112, 187619760), (120, 175111776), (126, 166773120), (128, 164167290), (135, 155654912), (140, 150095808), (144, 145926480), (160, 131333832), (168, 125079840), (180, 116741184), (189, 111182080), (192, 109444860), (210, 100063872), (216, 97284320), (224, 93809880), (240, 87555888), (252, 83386560), (256, 82083645), (270, 77827456), (280, 75047904), (288, 72963240), (315, 66709248), (320, 65666916), (336, 62539920), (360, 58370592), (378, 55591040), (384, 54722430), (420, 50031936), (432, 48642160), (448, 46904940), (480, 43777944), (504, 41693280), (540, 38913728), (560, 37523952), (576, 36481620), (630, 33354624), (640, 32833458), (672, 31269960), (720, 29185296), (756, 27795520), (768, 27361215), (840, 25015968), (864, 24321080), (896, 23452470), (945, 22236416), (960, 21888972), (1008, 20846640), (1080, 19456864), (1120, 18761976), (1152, 18240810), (1260, 16677312), (1280, 16416729), (1344, 15634980), (1440, 14592648), (1512, 13897760), (1680, 12507984), (1728, 12160540), (1792, 11726235), (1890, 11118208), (1920, 10944486), (2016, 10423320), (2160, 9728432), (2240, 9380988), (2304, 9120405), (2520, 8338656), (2688, 7817490), (2880, 7296324), (3024, 6948880), (3360, 6253992), (3456, 6080270), (3780, 5559104), (3840, 5472243), (4032, 5211660), (4320, 4864216), (4480, 4690494), (5040, 4169328), (5376, 3908745), (5760, 3648162), (6048, 3474440), (6720, 3126996), (6912, 3040135), (7560, 2779552), (8064, 2605830), (8640, 2432108), (8960, 2345247), (10080, 2084664), (11520, 1824081), (12096, 1737220), (13440, 1563498), (15120, 1389776), (16128, 1302915), (17280, 1216054), (20160, 1042332), (24192, 868610), (26880, 781749), (30240, 694888), (34560, 608027), (40320, 521166), (48384, 434305), (60480, 347444), (80640, 260583), (86861, 241920), (120960, 173722)]