21455280

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 400

約数和(自身を含む): 95065344

約数和(自身を除く): 73610064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 43, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 81, 84, 86, 88, 90, 99, 105, 108, 110, 112, 120, 126, 129, 132, 135, 140, 144, 154, 162, 165, 168, 172, 176, 180, 189, 198, 210, 215, 216, 220, 231, 240, 252, 258, 264, 270, 280, 297, 301, 308, 315, 324, 330, 336, 344, 360, 378, 385, 387, 396, 405, 420, 430, 432, 440, 462, 473, 495, 504, 516, 528, 540, 560, 567, 594, 602, 616, 630, 645, 648, 660, 688, 693, 720, 756, 770, 774, 792, 810, 840, 860, 880, 891, 903, 924, 945, 946, 990, 1008, 1032, 1080, 1134, 1155, 1161, 1188, 1204, 1232, 1260, 1290, 1296, 1320, 1386, 1419, 1485, 1505, 1512, 1540, 1548, 1584, 1620, 1680, 1720, 1782, 1806, 1848, 1890, 1892, 1935, 1980, 2064, 2079, 2160, 2268, 2310, 2322, 2365, 2376, 2408, 2520, 2580, 2640, 2709, 2772, 2835, 2838, 2970, 3010, 3024, 3080, 3096, 3240, 3311, 3440, 3465, 3483, 3564, 3612, 3696, 3780, 3784, 3870, 3960, 4158, 4257, 4455, 4515, 4536, 4620, 4644, 4730, 4752, 4816, 5040, 5160, 5418, 5544, 5670, 5676, 5805, 5940, 6020, 6160, 6192, 6237, 6480, 6622, 6930, 6966, 7095, 7128, 7224, 7560, 7568, 7740, 7920, 8127, 8316, 8514, 8910, 9030, 9072, 9240, 9288, 9460, 9933, 10320, 10395, 10836, 11088, 11340, 11352, 11610, 11880, 12040, 12474, 12771, 13244, 13545, 13860, 13932, 14190, 14256, 14448, 15120, 15480, 16254, 16555, 16632, 17028, 17415, 17820, 18060, 18480, 18576, 18920, 19866, 20790, 21285, 21672, 22680, 22704, 23220, 23760, 24080, 24381, 24948, 25542, 26488, 27090, 27720, 27864, 28380, 29799, 30960, 31185, 32508, 33110, 33264, 34056, 34830, 35640, 36120, 37840, 38313, 39732, 40635, 41580, 42570, 43344, 45360, 46440, 48762, 49665, 49896, 51084, 52976, 54180, 55440, 55728, 56760, 59598, 62370, 63855, 65016, 66220, 68112, 69660, 71280, 72240, 76626, 79464, 81270, 83160, 85140, 89397, 92880, 97524, 99330, 99792, 102168, 108360, 113520, 119196, 121905, 124740, 127710, 130032, 132440, 139320, 148995, 153252, 158928, 162540, 166320, 170280, 178794, 191565, 195048, 198660, 204336, 216720, 238392, 243810, 249480, 255420, 264880, 268191, 278640, 297990, 306504, 325080, 340560, 357588, 383130, 390096, 397320, 446985, 476784, 487620, 498960, 510840, 536382, 595980, 613008, 650160, 715176, 766260, 794640, 893970, 975240, 1021680, 1072764, 1191960, 1340955, 1430352, 1532520, 1787940, 1950480, 2145528, 2383920, 2681910, 3065040, 3575880, 4291056, 5363820, 7151760, 10727640, 21455280]

約数ペア:

[(1, 21455280), (2, 10727640), (3, 7151760), (4, 5363820), (5, 4291056), (6, 3575880), (7, 3065040), (8, 2681910), (9, 2383920), (10, 2145528), (11, 1950480), (12, 1787940), (14, 1532520), (15, 1430352), (16, 1340955), (18, 1191960), (20, 1072764), (21, 1021680), (22, 975240), (24, 893970), (27, 794640), (28, 766260), (30, 715176), (33, 650160), (35, 613008), (36, 595980), (40, 536382), (42, 510840), (43, 498960), (44, 487620), (45, 476784), (48, 446985), (54, 397320), (55, 390096), (56, 383130), (60, 357588), (63, 340560), (66, 325080), (70, 306504), (72, 297990), (77, 278640), (80, 268191), (81, 264880), (84, 255420), (86, 249480), (88, 243810), (90, 238392), (99, 216720), (105, 204336), (108, 198660), (110, 195048), (112, 191565), (120, 178794), (126, 170280), (129, 166320), (132, 162540), (135, 158928), (140, 153252), (144, 148995), (154, 139320), (162, 132440), (165, 130032), (168, 127710), (172, 124740), (176, 121905), (180, 119196), (189, 113520), (198, 108360), (210, 102168), (215, 99792), (216, 99330), (220, 97524), (231, 92880), (240, 89397), (252, 85140), (258, 83160), (264, 81270), (270, 79464), (280, 76626), (297, 72240), (301, 71280), (308, 69660), (315, 68112), (324, 66220), (330, 65016), (336, 63855), (344, 62370), (360, 59598), (378, 56760), (385, 55728), (387, 55440), (396, 54180), (405, 52976), (420, 51084), (430, 49896), (432, 49665), (440, 48762), (462, 46440), (473, 45360), (495, 43344), (504, 42570), (516, 41580), (528, 40635), (540, 39732), (560, 38313), (567, 37840), (594, 36120), (602, 35640), (616, 34830), (630, 34056), (645, 33264), (648, 33110), (660, 32508), (688, 31185), (693, 30960), (720, 29799), (756, 28380), (770, 27864), (774, 27720), (792, 27090), (810, 26488), (840, 25542), (860, 24948), (880, 24381), (891, 24080), (903, 23760), (924, 23220), (945, 22704), (946, 22680), (990, 21672), (1008, 21285), (1032, 20790), (1080, 19866), (1134, 18920), (1155, 18576), (1161, 18480), (1188, 18060), (1204, 17820), (1232, 17415), (1260, 17028), (1290, 16632), (1296, 16555), (1320, 16254), (1386, 15480), (1419, 15120), (1485, 14448), (1505, 14256), (1512, 14190), (1540, 13932), (1548, 13860), (1584, 13545), (1620, 13244), (1680, 12771), (1720, 12474), (1782, 12040), (1806, 11880), (1848, 11610), (1890, 11352), (1892, 11340), (1935, 11088), (1980, 10836), (2064, 10395), (2079, 10320), (2160, 9933), (2268, 9460), (2310, 9288), (2322, 9240), (2365, 9072), (2376, 9030), (2408, 8910), (2520, 8514), (2580, 8316), (2640, 8127), (2709, 7920), (2772, 7740), (2835, 7568), (2838, 7560), (2970, 7224), (3010, 7128), (3024, 7095), (3080, 6966), (3096, 6930), (3240, 6622), (3311, 6480), (3440, 6237), (3465, 6192), (3483, 6160), (3564, 6020), (3612, 5940), (3696, 5805), (3780, 5676), (3784, 5670), (3870, 5544), (3960, 5418), (4158, 5160), (4257, 5040), (4455, 4816), (4515, 4752), (4536, 4730), (4620, 4644)]