21475080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 288

約数和(自身を含む): 84029400

約数和(自身を除く): 62554320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 29, 30, 33, 34, 36, 40, 44, 45, 51, 55, 58, 60, 66, 68, 72, 85, 87, 88, 90, 99, 102, 110, 116, 120, 121, 132, 136, 145, 153, 165, 170, 174, 180, 187, 198, 204, 220, 232, 242, 255, 261, 264, 290, 306, 319, 330, 340, 348, 360, 363, 374, 396, 408, 435, 440, 484, 493, 495, 510, 522, 561, 580, 605, 612, 638, 660, 680, 696, 726, 748, 765, 792, 870, 935, 957, 968, 986, 990, 1020, 1044, 1089, 1122, 1160, 1210, 1224, 1276, 1305, 1320, 1452, 1479, 1496, 1530, 1595, 1683, 1740, 1815, 1870, 1914, 1972, 1980, 2040, 2057, 2088, 2178, 2244, 2420, 2465, 2552, 2610, 2805, 2871, 2904, 2958, 3060, 3190, 3366, 3480, 3509, 3630, 3740, 3828, 3944, 3960, 4114, 4356, 4437, 4488, 4785, 4840, 4930, 5220, 5423, 5445, 5610, 5742, 5916, 6120, 6171, 6380, 6732, 7018, 7260, 7395, 7480, 7656, 8228, 8415, 8712, 8874, 9570, 9860, 10285, 10440, 10527, 10846, 10890, 11220, 11484, 11832, 12342, 12760, 13464, 14036, 14355, 14520, 14790, 16269, 16456, 16830, 17545, 17748, 18513, 19140, 19720, 20570, 21054, 21692, 21780, 22185, 22440, 22968, 24684, 27115, 28072, 28710, 29580, 30855, 31581, 32538, 33660, 35090, 35496, 37026, 38280, 41140, 42108, 43384, 43560, 44370, 48807, 49368, 52635, 54230, 57420, 59160, 59653, 61710, 63162, 65076, 67320, 70180, 74052, 81345, 82280, 84216, 88740, 92565, 97614, 105270, 108460, 114840, 119306, 123420, 126324, 130152, 140360, 148104, 157905, 162690, 177480, 178959, 185130, 195228, 210540, 216920, 238612, 244035, 246840, 252648, 298265, 315810, 325380, 357918, 370260, 390456, 421080, 477224, 488070, 536877, 596530, 631620, 650760, 715836, 740520, 894795, 976140, 1073754, 1193060, 1263240, 1431672, 1789590, 1952280, 2147508, 2386120, 2684385, 3579180, 4295016, 5368770, 7158360, 10737540, 21475080]

約数ペア:

[(1, 21475080), (2, 10737540), (3, 7158360), (4, 5368770), (5, 4295016), (6, 3579180), (8, 2684385), (9, 2386120), (10, 2147508), (11, 1952280), (12, 1789590), (15, 1431672), (17, 1263240), (18, 1193060), (20, 1073754), (22, 976140), (24, 894795), (29, 740520), (30, 715836), (33, 650760), (34, 631620), (36, 596530), (40, 536877), (44, 488070), (45, 477224), (51, 421080), (55, 390456), (58, 370260), (60, 357918), (66, 325380), (68, 315810), (72, 298265), (85, 252648), (87, 246840), (88, 244035), (90, 238612), (99, 216920), (102, 210540), (110, 195228), (116, 185130), (120, 178959), (121, 177480), (132, 162690), (136, 157905), (145, 148104), (153, 140360), (165, 130152), (170, 126324), (174, 123420), (180, 119306), (187, 114840), (198, 108460), (204, 105270), (220, 97614), (232, 92565), (242, 88740), (255, 84216), (261, 82280), (264, 81345), (290, 74052), (306, 70180), (319, 67320), (330, 65076), (340, 63162), (348, 61710), (360, 59653), (363, 59160), (374, 57420), (396, 54230), (408, 52635), (435, 49368), (440, 48807), (484, 44370), (493, 43560), (495, 43384), (510, 42108), (522, 41140), (561, 38280), (580, 37026), (605, 35496), (612, 35090), (638, 33660), (660, 32538), (680, 31581), (696, 30855), (726, 29580), (748, 28710), (765, 28072), (792, 27115), (870, 24684), (935, 22968), (957, 22440), (968, 22185), (986, 21780), (990, 21692), (1020, 21054), (1044, 20570), (1089, 19720), (1122, 19140), (1160, 18513), (1210, 17748), (1224, 17545), (1276, 16830), (1305, 16456), (1320, 16269), (1452, 14790), (1479, 14520), (1496, 14355), (1530, 14036), (1595, 13464), (1683, 12760), (1740, 12342), (1815, 11832), (1870, 11484), (1914, 11220), (1972, 10890), (1980, 10846), (2040, 10527), (2057, 10440), (2088, 10285), (2178, 9860), (2244, 9570), (2420, 8874), (2465, 8712), (2552, 8415), (2610, 8228), (2805, 7656), (2871, 7480), (2904, 7395), (2958, 7260), (3060, 7018), (3190, 6732), (3366, 6380), (3480, 6171), (3509, 6120), (3630, 5916), (3740, 5742), (3828, 5610), (3944, 5445), (3960, 5423), (4114, 5220), (4356, 4930), (4437, 4840), (4488, 4785)]