21549382

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2543}}^1$

素因数の和:2787

約数の個数: 16

約数和(自身を含む): 34191360

約数和(自身を除く): 12641978

約数列:

[1, 2, 19, 38, 223, 446, 2543, 4237, 5086, 8474, 48317, 96634, 567089, 1134178, 10774691, 21549382]

約数ペア:

[(1, 21549382), (2, 10774691), (19, 1134178), (38, 567089), (223, 96634), (446, 48317), (2543, 8474), (4237, 5086)]