21921754

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{2833}}^1$

素因数の和:2961

約数の個数: 16

約数和(自身を含む): 33973992

約数和(自身を除く): 12052238

約数列:

[1, 2, 53, 73, 106, 146, 2833, 3869, 5666, 7738, 150149, 206809, 300298, 413618, 10960877, 21921754]

約数ペア:

[(1, 21921754), (2, 10960877), (53, 413618), (73, 300298), (106, 206809), (146, 150149), (2833, 7738), (3869, 5666)]