21215824

素因数分解:

$2^4\times 7^2\times {\mathrm{27061}}^1$

素因数の和:27083

約数の個数: 30

約数和(自身を含む): 47818554

約数和(自身を除く): 26602730

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27061, 54122, 108244, 189427, 216488, 378854, 432976, 757708, 1325989, 1515416, 2651978, 3030832, 5303956, 10607912, 21215824]

約数ペア:

[(1, 21215824), (2, 10607912), (4, 5303956), (7, 3030832), (8, 2651978), (14, 1515416), (16, 1325989), (28, 757708), (49, 432976), (56, 378854), (98, 216488), (112, 189427), (196, 108244), (392, 54122), (784, 27061)]