21743008

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 49412160

約数和(自身を除く): 27669152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 791, 859, 904, 1582, 1718, 1808, 3164, 3436, 3616, 6013, 6328, 6872, 12026, 12656, 13744, 24052, 25312, 27488, 48104, 96208, 97067, 192416, 194134, 388268, 679469, 776536, 1358938, 1553072, 2717876, 3106144, 5435752, 10871504, 21743008]

約数ペア:

[(1, 21743008), (2, 10871504), (4, 5435752), (7, 3106144), (8, 2717876), (14, 1553072), (16, 1358938), (28, 776536), (32, 679469), (56, 388268), (112, 194134), (113, 192416), (224, 97067), (226, 96208), (452, 48104), (791, 27488), (859, 25312), (904, 24052), (1582, 13744), (1718, 12656), (1808, 12026), (3164, 6872), (3436, 6328), (3616, 6013)]