21065472

素因数分解:

$2^8\times 3^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 108

約数和(自身を含む): 62497344

約数和(自身を除く): 41431872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 64, 72, 82, 96, 123, 128, 144, 164, 192, 223, 246, 256, 288, 328, 369, 384, 446, 492, 576, 656, 669, 738, 768, 892, 984, 1152, 1312, 1338, 1476, 1784, 1968, 2007, 2304, 2624, 2676, 2952, 3568, 3936, 4014, 5248, 5352, 5904, 7136, 7872, 8028, 9143, 10496, 10704, 11808, 14272, 15744, 16056, 18286, 21408, 23616, 27429, 28544, 31488, 32112, 36572, 42816, 47232, 54858, 57088, 64224, 73144, 82287, 85632, 94464, 109716, 128448, 146288, 164574, 171264, 219432, 256896, 292576, 329148, 438864, 513792, 585152, 658296, 877728, 1170304, 1316592, 1755456, 2340608, 2633184, 3510912, 5266368, 7021824, 10532736, 21065472]

約数ペア:

[(1, 21065472), (2, 10532736), (3, 7021824), (4, 5266368), (6, 3510912), (8, 2633184), (9, 2340608), (12, 1755456), (16, 1316592), (18, 1170304), (24, 877728), (32, 658296), (36, 585152), (41, 513792), (48, 438864), (64, 329148), (72, 292576), (82, 256896), (96, 219432), (123, 171264), (128, 164574), (144, 146288), (164, 128448), (192, 109716), (223, 94464), (246, 85632), (256, 82287), (288, 73144), (328, 64224), (369, 57088), (384, 54858), (446, 47232), (492, 42816), (576, 36572), (656, 32112), (669, 31488), (738, 28544), (768, 27429), (892, 23616), (984, 21408), (1152, 18286), (1312, 16056), (1338, 15744), (1476, 14272), (1784, 11808), (1968, 10704), (2007, 10496), (2304, 9143), (2624, 8028), (2676, 7872), (2952, 7136), (3568, 5904), (3936, 5352), (4014, 5248)]