21136128

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 63527520

約数和(自身を除く): 42391392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 64, 73, 78, 87, 96, 104, 116, 128, 146, 156, 174, 192, 208, 219, 232, 256, 292, 312, 348, 377, 384, 416, 438, 464, 584, 624, 696, 754, 768, 832, 876, 928, 949, 1131, 1168, 1248, 1392, 1508, 1664, 1752, 1856, 1898, 2117, 2262, 2336, 2496, 2784, 2847, 3016, 3328, 3504, 3712, 3796, 4234, 4524, 4672, 4992, 5568, 5694, 6032, 6351, 7008, 7424, 7592, 8468, 9048, 9344, 9984, 11136, 11388, 12064, 12702, 14016, 15184, 16936, 18096, 18688, 22272, 22776, 24128, 25404, 27521, 28032, 30368, 33872, 36192, 45552, 48256, 50808, 55042, 56064, 60736, 67744, 72384, 82563, 91104, 96512, 101616, 110084, 121472, 135488, 144768, 165126, 182208, 203232, 220168, 242944, 270976, 289536, 330252, 364416, 406464, 440336, 541952, 660504, 728832, 812928, 880672, 1321008, 1625856, 1761344, 2642016, 3522688, 5284032, 7045376, 10568064, 21136128]

約数ペア:

[(1, 21136128), (2, 10568064), (3, 7045376), (4, 5284032), (6, 3522688), (8, 2642016), (12, 1761344), (13, 1625856), (16, 1321008), (24, 880672), (26, 812928), (29, 728832), (32, 660504), (39, 541952), (48, 440336), (52, 406464), (58, 364416), (64, 330252), (73, 289536), (78, 270976), (87, 242944), (96, 220168), (104, 203232), (116, 182208), (128, 165126), (146, 144768), (156, 135488), (174, 121472), (192, 110084), (208, 101616), (219, 96512), (232, 91104), (256, 82563), (292, 72384), (312, 67744), (348, 60736), (377, 56064), (384, 55042), (416, 50808), (438, 48256), (464, 45552), (584, 36192), (624, 33872), (696, 30368), (754, 28032), (768, 27521), (832, 25404), (876, 24128), (928, 22776), (949, 22272), (1131, 18688), (1168, 18096), (1248, 16936), (1392, 15184), (1508, 14016), (1664, 12702), (1752, 12064), (1856, 11388), (1898, 11136), (2117, 9984), (2262, 9344), (2336, 9048), (2496, 8468), (2784, 7592), (2847, 7424), (3016, 7008), (3328, 6351), (3504, 6032), (3712, 5694), (3796, 5568), (4234, 4992), (4524, 4672)]