53760021

素因数分解:

$3^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{3329}}^1$

素因数の和:4108

約数の個数: 16

約数和(自身を含む): 82051200

約数和(自身を除く): 28291179

約数列:

[1, 3, 7, 21, 769, 2307, 3329, 5383, 9987, 16149, 23303, 69909, 2560001, 7680003, 17920007, 53760021]

約数ペア:

[(1, 53760021), (3, 17920007), (7, 7680003), (21, 2560001), (769, 69909), (2307, 23303), (3329, 16149), (5383, 9987)]