21898394

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3061}}^1$

素因数の和:3150

約数の個数: 24

約数和(自身を含む): 38746548

約数和(自身を除く): 16848154

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 511, 1022, 3061, 3577, 6122, 7154, 21427, 42854, 149989, 223453, 299978, 446906, 1564171, 3128342, 10949197, 21898394]

約数ペア:

[(1, 21898394), (2, 10949197), (7, 3128342), (14, 1564171), (49, 446906), (73, 299978), (98, 223453), (146, 149989), (511, 42854), (1022, 21427), (3061, 7154), (3577, 6122)]