21198240

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{701}}^1$

素因数の和:732

約数の個数: 192

約数和(自身を含む): 84913920

約数和(自身を除く): 63715680

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, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 701, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1402, 1440, 1512, 1680, 1890, 2016, 2103, 2160, 2520, 2804, 3024, 3360, 3505, 3780, 4206, 4320, 4907, 5040, 5608, 6048, 6309, 7010, 7560, 8412, 9814, 10080, 10515, 11216, 12618, 14020, 14721, 15120, 16824, 18927, 19628, 21030, 22432, 24535, 25236, 28040, 29442, 30240, 31545, 33648, 37854, 39256, 42060, 44163, 49070, 50472, 56080, 58884, 63090, 67296, 73605, 75708, 78512, 84120, 88326, 94635, 98140, 100944, 112160, 117768, 126180, 132489, 147210, 151416, 157024, 168240, 176652, 189270, 196280, 201888, 220815, 235536, 252360, 264978, 294420, 302832, 336480, 353304, 378540, 392560, 441630, 471072, 504720, 529956, 588840, 605664, 662445, 706608, 757080, 785120, 883260, 1009440, 1059912, 1177680, 1324890, 1413216, 1514160, 1766520, 2119824, 2355360, 2649780, 3028320, 3533040, 4239648, 5299560, 7066080, 10599120, 21198240]

約数ペア:

[(1, 21198240), (2, 10599120), (3, 7066080), (4, 5299560), (5, 4239648), (6, 3533040), (7, 3028320), (8, 2649780), (9, 2355360), (10, 2119824), (12, 1766520), (14, 1514160), (15, 1413216), (16, 1324890), (18, 1177680), (20, 1059912), (21, 1009440), (24, 883260), (27, 785120), (28, 757080), (30, 706608), (32, 662445), (35, 605664), (36, 588840), (40, 529956), (42, 504720), (45, 471072), (48, 441630), (54, 392560), (56, 378540), (60, 353304), (63, 336480), (70, 302832), (72, 294420), (80, 264978), (84, 252360), (90, 235536), (96, 220815), (105, 201888), (108, 196280), (112, 189270), (120, 176652), (126, 168240), (135, 157024), (140, 151416), (144, 147210), (160, 132489), (168, 126180), (180, 117768), (189, 112160), (210, 100944), (216, 98140), (224, 94635), (240, 88326), (252, 84120), (270, 78512), (280, 75708), (288, 73605), (315, 67296), (336, 63090), (360, 58884), (378, 56080), (420, 50472), (432, 49070), (480, 44163), (504, 42060), (540, 39256), (560, 37854), (630, 33648), (672, 31545), (701, 30240), (720, 29442), (756, 28040), (840, 25236), (864, 24535), (945, 22432), (1008, 21030), (1080, 19628), (1120, 18927), (1260, 16824), (1402, 15120), (1440, 14721), (1512, 14020), (1680, 12618), (1890, 11216), (2016, 10515), (2103, 10080), (2160, 9814), (2520, 8412), (2804, 7560), (3024, 7010), (3360, 6309), (3505, 6048), (3780, 5608), (4206, 5040), (4320, 4907)]