21504063

素因数分解:

$3^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1129}}^1$

素因数の和:2046

約数の個数: 16

約数和(自身を含む): 32833280

約数和(自身を除く): 11329217

約数列:

[1, 3, 7, 21, 907, 1129, 2721, 3387, 6349, 7903, 19047, 23709, 1024003, 3072009, 7168021, 21504063]

約数ペア:

[(1, 21504063), (3, 7168021), (7, 3072009), (21, 1024003), (907, 23709), (1129, 19047), (2721, 7903), (3387, 6349)]