21382576

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18307}}^1$

素因数の和:18388

約数の個数: 20

約数和(自身を含む): 41998552

約数和(自身を除く): 20615976

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18307, 36614, 73228, 146456, 292912, 1336411, 2672822, 5345644, 10691288, 21382576]

約数ペア:

[(1, 21382576), (2, 10691288), (4, 5345644), (8, 2672822), (16, 1336411), (73, 292912), (146, 146456), (292, 73228), (584, 36614), (1168, 18307)]