21443328

素因数分解:

$2^8\times 3^2\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 108

約数和(自身を含む): 63613368

約数和(自身を除く): 42170040

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, 227, 246, 256, 288, 328, 369, 384, 454, 492, 576, 656, 681, 738, 768, 908, 984, 1152, 1312, 1362, 1476, 1816, 1968, 2043, 2304, 2624, 2724, 2952, 3632, 3936, 4086, 5248, 5448, 5904, 7264, 7872, 8172, 9307, 10496, 10896, 11808, 14528, 15744, 16344, 18614, 21792, 23616, 27921, 29056, 31488, 32688, 37228, 43584, 47232, 55842, 58112, 65376, 74456, 83763, 87168, 94464, 111684, 130752, 148912, 167526, 174336, 223368, 261504, 297824, 335052, 446736, 523008, 595648, 670104, 893472, 1191296, 1340208, 1786944, 2382592, 2680416, 3573888, 5360832, 7147776, 10721664, 21443328]

約数ペア:

[(1, 21443328), (2, 10721664), (3, 7147776), (4, 5360832), (6, 3573888), (8, 2680416), (9, 2382592), (12, 1786944), (16, 1340208), (18, 1191296), (24, 893472), (32, 670104), (36, 595648), (41, 523008), (48, 446736), (64, 335052), (72, 297824), (82, 261504), (96, 223368), (123, 174336), (128, 167526), (144, 148912), (164, 130752), (192, 111684), (227, 94464), (246, 87168), (256, 83763), (288, 74456), (328, 65376), (369, 58112), (384, 55842), (454, 47232), (492, 43584), (576, 37228), (656, 32688), (681, 31488), (738, 29056), (768, 27921), (908, 23616), (984, 21792), (1152, 18614), (1312, 16344), (1362, 15744), (1476, 14528), (1816, 11808), (1968, 10896), (2043, 10496), (2304, 9307), (2624, 8172), (2724, 7872), (2952, 7264), (3632, 5904), (3936, 5448), (4086, 5248)]