21267568

素因数分解:

$2^4\times 7^2\times {\mathrm{27127}}^1$

素因数の和:27149

約数の個数: 30

約数和(自身を含む): 47935176

約数和(自身を除く): 26667608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27127, 54254, 108508, 189889, 217016, 379778, 434032, 759556, 1329223, 1519112, 2658446, 3038224, 5316892, 10633784, 21267568]

約数ペア:

[(1, 21267568), (2, 10633784), (4, 5316892), (7, 3038224), (8, 2658446), (14, 1519112), (16, 1329223), (28, 759556), (49, 434032), (56, 379778), (98, 217016), (112, 189889), (196, 108508), (392, 54254), (784, 27127)]