21348864

素因数分解:

$2^9\times 3^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 120

約数和(自身を含む): 63675612

約数和(自身を除く): 42326748

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 64, 72, 82, 96, 113, 123, 128, 144, 164, 192, 226, 246, 256, 288, 328, 339, 369, 384, 452, 492, 512, 576, 656, 678, 738, 768, 904, 984, 1017, 1152, 1312, 1356, 1476, 1536, 1808, 1968, 2034, 2304, 2624, 2712, 2952, 3616, 3936, 4068, 4608, 4633, 5248, 5424, 5904, 7232, 7872, 8136, 9266, 10496, 10848, 11808, 13899, 14464, 15744, 16272, 18532, 20992, 21696, 23616, 27798, 28928, 31488, 32544, 37064, 41697, 43392, 47232, 55596, 57856, 62976, 65088, 74128, 83394, 86784, 94464, 111192, 130176, 148256, 166788, 173568, 188928, 222384, 260352, 296512, 333576, 444768, 520704, 593024, 667152, 889536, 1186048, 1334304, 1779072, 2372096, 2668608, 3558144, 5337216, 7116288, 10674432, 21348864]

約数ペア:

[(1, 21348864), (2, 10674432), (3, 7116288), (4, 5337216), (6, 3558144), (8, 2668608), (9, 2372096), (12, 1779072), (16, 1334304), (18, 1186048), (24, 889536), (32, 667152), (36, 593024), (41, 520704), (48, 444768), (64, 333576), (72, 296512), (82, 260352), (96, 222384), (113, 188928), (123, 173568), (128, 166788), (144, 148256), (164, 130176), (192, 111192), (226, 94464), (246, 86784), (256, 83394), (288, 74128), (328, 65088), (339, 62976), (369, 57856), (384, 55596), (452, 47232), (492, 43392), (512, 41697), (576, 37064), (656, 32544), (678, 31488), (738, 28928), (768, 27798), (904, 23616), (984, 21696), (1017, 20992), (1152, 18532), (1312, 16272), (1356, 15744), (1476, 14464), (1536, 13899), (1808, 11808), (1968, 10848), (2034, 10496), (2304, 9266), (2624, 8136), (2712, 7872), (2952, 7232), (3616, 5904), (3936, 5424), (4068, 5248), (4608, 4633)]