21804982

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{2089}}^1$

素因数の和:2415

約数の個数: 16

約数和(自身を含む): 34760880

約数和(自身を除く): 12955898

約数列:

[1, 2, 17, 34, 307, 614, 2089, 4178, 5219, 10438, 35513, 71026, 641323, 1282646, 10902491, 21804982]

約数ペア:

[(1, 21804982), (2, 10902491), (17, 1282646), (34, 641323), (307, 71026), (614, 35513), (2089, 10438), (4178, 5219)]