21475584

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:277

約数の個数: 144

約数和(自身を含む): 68678400

約数和(自身を除く): 47202816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 234, 239, 256, 288, 312, 351, 384, 416, 432, 468, 478, 576, 624, 702, 717, 768, 832, 864, 936, 956, 1152, 1248, 1404, 1434, 1664, 1728, 1872, 1912, 2151, 2304, 2496, 2808, 2868, 3107, 3328, 3456, 3744, 3824, 4302, 4992, 5616, 5736, 6214, 6453, 6912, 7488, 7648, 8604, 9321, 9984, 11232, 11472, 12428, 12906, 14976, 15296, 17208, 18642, 22464, 22944, 24856, 25812, 27963, 29952, 30592, 34416, 37284, 44928, 45888, 49712, 51624, 55926, 61184, 68832, 74568, 83889, 89856, 91776, 99424, 103248, 111852, 137664, 149136, 167778, 183552, 198848, 206496, 223704, 275328, 298272, 335556, 397696, 412992, 447408, 550656, 596544, 671112, 795392, 825984, 894816, 1193088, 1342224, 1651968, 1789632, 2386176, 2684448, 3579264, 5368896, 7158528, 10737792, 21475584]

約数ペア:

[(1, 21475584), (2, 10737792), (3, 7158528), (4, 5368896), (6, 3579264), (8, 2684448), (9, 2386176), (12, 1789632), (13, 1651968), (16, 1342224), (18, 1193088), (24, 894816), (26, 825984), (27, 795392), (32, 671112), (36, 596544), (39, 550656), (48, 447408), (52, 412992), (54, 397696), (64, 335556), (72, 298272), (78, 275328), (96, 223704), (104, 206496), (108, 198848), (117, 183552), (128, 167778), (144, 149136), (156, 137664), (192, 111852), (208, 103248), (216, 99424), (234, 91776), (239, 89856), (256, 83889), (288, 74568), (312, 68832), (351, 61184), (384, 55926), (416, 51624), (432, 49712), (468, 45888), (478, 44928), (576, 37284), (624, 34416), (702, 30592), (717, 29952), (768, 27963), (832, 25812), (864, 24856), (936, 22944), (956, 22464), (1152, 18642), (1248, 17208), (1404, 15296), (1434, 14976), (1664, 12906), (1728, 12428), (1872, 11472), (1912, 11232), (2151, 9984), (2304, 9321), (2496, 8604), (2808, 7648), (2868, 7488), (3107, 6912), (3328, 6453), (3456, 6214), (3744, 5736), (3824, 5616), (4302, 4992)]