21057427440

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{51581}}^1$

素因数の和:51619

約数の個数: 280

約数和(自身を含む): 83892139488

約数和(自身を除く): 62834712048

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, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 729, 756, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1458, 1512, 1620, 1680, 1701, 1890, 1944, 2160, 2268, 2430, 2520, 2835, 2916, 3024, 3240, 3402, 3645, 3780, 3888, 4536, 4860, 5040, 5103, 5670, 5832, 6480, 6804, 7290, 7560, 8505, 9072, 9720, 10206, 11340, 11664, 13608, 14580, 15120, 17010, 19440, 20412, 22680, 25515, 27216, 29160, 34020, 40824, 45360, 51030, 51581, 58320, 68040, 81648, 102060, 103162, 136080, 154743, 204120, 206324, 257905, 309486, 361067, 408240, 412648, 464229, 515810, 618972, 722134, 773715, 825296, 928458, 1031620, 1083201, 1237944, 1392687, 1444268, 1547430, 1805335, 1856916, 2063240, 2166402, 2321145, 2475888, 2785374, 2888536, 3094860, 3249603, 3610670, 3713832, 4126480, 4178061, 4332804, 4642290, 5416005, 5570748, 5777072, 6189720, 6499206, 6963435, 7221340, 7427664, 8356122, 8665608, 9284580, 9748809, 10832010, 11141496, 12379440, 12534183, 12998412, 13926870, 14442680, 16248015, 16712244, 17331216, 18569160, 19497618, 20890305, 21664020, 22282992, 25068366, 25996824, 27853740, 28885360, 29246427, 32496030, 33424488, 37138320, 37602549, 38995236, 41780610, 43328040, 48744045, 50136732, 51993648, 55707480, 58492854, 62670915, 64992060, 66848976, 75205098, 77990472, 83561220, 86656080, 87739281, 97488090, 100273464, 111414960, 116985708, 125341830, 129984120, 146232135, 150410196, 155980944, 167122440, 175478562, 188012745, 194976180, 200546928, 233971416, 250683660, 259968240, 263217843, 292464270, 300820392, 334244880, 350957124, 376025490, 389952360, 438696405, 467942832, 501367320, 526435686, 584928540, 601640784, 701914248, 752050980, 779904720, 877392810, 1002734640, 1052871372, 1169857080, 1316089215, 1403828496, 1504101960, 1754785620, 2105742744, 2339714160, 2632178430, 3008203920, 3509571240, 4211485488, 5264356860, 7019142480, 10528713720, 21057427440]

約数ペア:

[(1, 21057427440), (2, 10528713720), (3, 7019142480), (4, 5264356860), (5, 4211485488), (6, 3509571240), (7, 3008203920), (8, 2632178430), (9, 2339714160), (10, 2105742744), (12, 1754785620), (14, 1504101960), (15, 1403828496), (16, 1316089215), (18, 1169857080), (20, 1052871372), (21, 1002734640), (24, 877392810), (27, 779904720), (28, 752050980), (30, 701914248), (35, 601640784), (36, 584928540), (40, 526435686), (42, 501367320), (45, 467942832), (48, 438696405), (54, 389952360), (56, 376025490), (60, 350957124), (63, 334244880), (70, 300820392), (72, 292464270), (80, 263217843), (81, 259968240), (84, 250683660), (90, 233971416), (105, 200546928), (108, 194976180), (112, 188012745), (120, 175478562), (126, 167122440), (135, 155980944), (140, 150410196), (144, 146232135), (162, 129984120), (168, 125341830), (180, 116985708), (189, 111414960), (210, 100273464), (216, 97488090), (240, 87739281), (243, 86656080), (252, 83561220), (270, 77990472), (280, 75205098), (315, 66848976), (324, 64992060), (336, 62670915), (360, 58492854), (378, 55707480), (405, 51993648), (420, 50136732), (432, 48744045), (486, 43328040), (504, 41780610), (540, 38995236), (560, 37602549), (567, 37138320), (630, 33424488), (648, 32496030), (720, 29246427), (729, 28885360), (756, 27853740), (810, 25996824), (840, 25068366), (945, 22282992), (972, 21664020), (1008, 20890305), (1080, 19497618), (1134, 18569160), (1215, 17331216), (1260, 16712244), (1296, 16248015), (1458, 14442680), (1512, 13926870), (1620, 12998412), (1680, 12534183), (1701, 12379440), (1890, 11141496), (1944, 10832010), (2160, 9748809), (2268, 9284580), (2430, 8665608), (2520, 8356122), (2835, 7427664), (2916, 7221340), (3024, 6963435), (3240, 6499206), (3402, 6189720), (3645, 5777072), (3780, 5570748), (3888, 5416005), (4536, 4642290), (4860, 4332804), (5040, 4178061), (5103, 4126480), (5670, 3713832), (5832, 3610670), (6480, 3249603), (6804, 3094860), (7290, 2888536), (7560, 2785374), (8505, 2475888), (9072, 2321145), (9720, 2166402), (10206, 2063240), (11340, 1856916), (11664, 1805335), (13608, 1547430), (14580, 1444268), (15120, 1392687), (17010, 1237944), (19440, 1083201), (20412, 1031620), (22680, 928458), (25515, 825296), (27216, 773715), (29160, 722134), (34020, 618972), (40824, 515810), (45360, 464229), (51030, 412648), (51581, 408240), (58320, 361067), (68040, 309486), (81648, 257905), (102060, 206324), (103162, 204120), (136080, 154743)]