21844509

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2441}}^1$

素因数の和:2620

約数の個数: 16

約数和(自身を含む): 30866880

約数和(自身を除く): 9022371

約数列:

[1, 3, 19, 57, 157, 471, 2441, 2983, 7323, 8949, 46379, 139137, 383237, 1149711, 7281503, 21844509]

約数ペア:

[(1, 21844509), (3, 7281503), (19, 1149711), (57, 383237), (157, 139137), (471, 46379), (2441, 8949), (2983, 7323)]