21090942

素因数分解:

$2^1\times 3^5\times {\mathrm{43397}}^1$

素因数の和:43414

約数の個数: 24

約数和(自身を含む): 47390616

約数和(自身を除く): 26299674

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 43397, 86794, 130191, 260382, 390573, 781146, 1171719, 2343438, 3515157, 7030314, 10545471, 21090942]

約数ペア:

[(1, 21090942), (2, 10545471), (3, 7030314), (6, 3515157), (9, 2343438), (18, 1171719), (27, 781146), (54, 390573), (81, 260382), (162, 130191), (243, 86794), (486, 43397)]