21462063

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3329}}^1$

素因数の和:3646

約数の個数: 16

約数和(自身を含む): 32820480

約数和(自身を除く): 11358417

約数列:

[1, 3, 7, 21, 307, 921, 2149, 3329, 6447, 9987, 23303, 69909, 1022003, 3066009, 7154021, 21462063]

約数ペア:

[(1, 21462063), (3, 7154021), (7, 3066009), (21, 1022003), (307, 69909), (921, 23303), (2149, 9987), (3329, 6447)]