21094304

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1223}}^1$

素因数の和:1258

約数の個数: 72

約数和(自身を含む): 52744608

約数和(自身を除く): 31650304

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1223, 1232, 1568, 2156, 2446, 2464, 4312, 4892, 8561, 8624, 9784, 13453, 17122, 17248, 19568, 26906, 34244, 39136, 53812, 59927, 68488, 94171, 107624, 119854, 136976, 188342, 215248, 239708, 273952, 376684, 430496, 479416, 659197, 753368, 958832, 1318394, 1506736, 1917664, 2636788, 3013472, 5273576, 10547152, 21094304]

約数ペア:

[(1, 21094304), (2, 10547152), (4, 5273576), (7, 3013472), (8, 2636788), (11, 1917664), (14, 1506736), (16, 1318394), (22, 958832), (28, 753368), (32, 659197), (44, 479416), (49, 430496), (56, 376684), (77, 273952), (88, 239708), (98, 215248), (112, 188342), (154, 136976), (176, 119854), (196, 107624), (224, 94171), (308, 68488), (352, 59927), (392, 53812), (539, 39136), (616, 34244), (784, 26906), (1078, 19568), (1223, 17248), (1232, 17122), (1568, 13453), (2156, 9784), (2446, 8624), (2464, 8561), (4312, 4892)]