21477888411

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23785037}}^1$

素因数の和:23785090

約数の個数: 16

約数和(自身を含む): 33489333504

約数和(自身を除く): 12011445093

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 23785037, 71355111, 166495259, 499485777, 1022756591, 3068269773, 7159296137, 21477888411]

約数ペア:

[(1, 21477888411), (3, 7159296137), (7, 3068269773), (21, 1022756591), (43, 499485777), (129, 166495259), (301, 71355111), (903, 23785037)]