21492480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 71376480

約数和(自身を除く): 49884000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 193, 232, 240, 256, 290, 320, 348, 384, 386, 435, 464, 480, 579, 580, 640, 696, 768, 772, 870, 928, 960, 965, 1158, 1160, 1280, 1392, 1544, 1740, 1856, 1920, 1930, 2316, 2320, 2784, 2895, 3088, 3480, 3712, 3840, 3860, 4632, 4640, 5568, 5597, 5790, 6176, 6960, 7424, 7720, 9264, 9280, 11136, 11194, 11580, 12352, 13920, 15440, 16791, 18528, 18560, 22272, 22388, 23160, 24704, 27840, 27985, 30880, 33582, 37056, 37120, 44776, 46320, 49408, 55680, 55970, 61760, 67164, 74112, 83955, 89552, 92640, 111360, 111940, 123520, 134328, 148224, 167910, 179104, 185280, 223880, 247040, 268656, 335820, 358208, 370560, 447760, 537312, 671640, 716416, 741120, 895520, 1074624, 1343280, 1432832, 1791040, 2149248, 2686560, 3582080, 4298496, 5373120, 7164160, 10746240, 21492480]

約数ペア:

[(1, 21492480), (2, 10746240), (3, 7164160), (4, 5373120), (5, 4298496), (6, 3582080), (8, 2686560), (10, 2149248), (12, 1791040), (15, 1432832), (16, 1343280), (20, 1074624), (24, 895520), (29, 741120), (30, 716416), (32, 671640), (40, 537312), (48, 447760), (58, 370560), (60, 358208), (64, 335820), (80, 268656), (87, 247040), (96, 223880), (116, 185280), (120, 179104), (128, 167910), (145, 148224), (160, 134328), (174, 123520), (192, 111940), (193, 111360), (232, 92640), (240, 89552), (256, 83955), (290, 74112), (320, 67164), (348, 61760), (384, 55970), (386, 55680), (435, 49408), (464, 46320), (480, 44776), (579, 37120), (580, 37056), (640, 33582), (696, 30880), (768, 27985), (772, 27840), (870, 24704), (928, 23160), (960, 22388), (965, 22272), (1158, 18560), (1160, 18528), (1280, 16791), (1392, 15440), (1544, 13920), (1740, 12352), (1856, 11580), (1920, 11194), (1930, 11136), (2316, 9280), (2320, 9264), (2784, 7720), (2895, 7424), (3088, 6960), (3480, 6176), (3712, 5790), (3840, 5597), (3860, 5568), (4632, 4640)]