21871872

素因数分解:

$2^8\times 3^2\times {\mathrm{11}}^1\times {\mathrm{863}}^1$

素因数の和:896

約数の個数: 108

約数和(自身を含む): 68874624

約数和(自身を除く): 47002752

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 128, 132, 144, 176, 192, 198, 256, 264, 288, 352, 384, 396, 528, 576, 704, 768, 792, 863, 1056, 1152, 1408, 1584, 1726, 2112, 2304, 2589, 2816, 3168, 3452, 4224, 5178, 6336, 6904, 7767, 8448, 9493, 10356, 12672, 13808, 15534, 18986, 20712, 25344, 27616, 28479, 31068, 37972, 41424, 55232, 56958, 62136, 75944, 82848, 85437, 110464, 113916, 124272, 151888, 165696, 170874, 220928, 227832, 248544, 303776, 331392, 341748, 455664, 497088, 607552, 662784, 683496, 911328, 994176, 1215104, 1366992, 1822656, 1988352, 2430208, 2733984, 3645312, 5467968, 7290624, 10935936, 21871872]

約数ペア:

[(1, 21871872), (2, 10935936), (3, 7290624), (4, 5467968), (6, 3645312), (8, 2733984), (9, 2430208), (11, 1988352), (12, 1822656), (16, 1366992), (18, 1215104), (22, 994176), (24, 911328), (32, 683496), (33, 662784), (36, 607552), (44, 497088), (48, 455664), (64, 341748), (66, 331392), (72, 303776), (88, 248544), (96, 227832), (99, 220928), (128, 170874), (132, 165696), (144, 151888), (176, 124272), (192, 113916), (198, 110464), (256, 85437), (264, 82848), (288, 75944), (352, 62136), (384, 56958), (396, 55232), (528, 41424), (576, 37972), (704, 31068), (768, 28479), (792, 27616), (863, 25344), (1056, 20712), (1152, 18986), (1408, 15534), (1584, 13808), (1726, 12672), (2112, 10356), (2304, 9493), (2589, 8448), (2816, 7767), (3168, 6904), (3452, 6336), (4224, 5178)]