21248752

素因数分解:

$2^4\times 7^2\times {\mathrm{27103}}^1$

素因数の和:27125

約数の個数: 30

約数和(自身を含む): 47892768

約数和(自身を除く): 26644016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27103, 54206, 108412, 189721, 216824, 379442, 433648, 758884, 1328047, 1517768, 2656094, 3035536, 5312188, 10624376, 21248752]

約数ペア:

[(1, 21248752), (2, 10624376), (4, 5312188), (7, 3035536), (8, 2656094), (14, 1517768), (16, 1328047), (28, 758884), (49, 433648), (56, 379442), (98, 216824), (112, 189721), (196, 108412), (392, 54206), (784, 27103)]