21108442

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3457}}^1$

素因数の和:3573

約数の個数: 16

約数和(自身を含む): 32864832

約数和(自身を除く): 11756390

約数列:

[1, 2, 43, 71, 86, 142, 3053, 3457, 6106, 6914, 148651, 245447, 297302, 490894, 10554221, 21108442]

約数ペア:

[(1, 21108442), (2, 10554221), (43, 490894), (71, 297302), (86, 245447), (142, 148651), (3053, 6914), (3457, 6106)]