20161638021

素因数分解:

$3^1\times 7^1\times {\mathrm{960078001}}^1$

素因数の和:960078011

約数の個数: 8

約数和(自身を含む): 30722496064

約数和(自身を除く): 10560858043

約数列:

[1, 3, 7, 21, 960078001, 2880234003, 6720546007, 20161638021]

約数ペア:

[(1, 20161638021), (3, 6720546007), (7, 2880234003), (21, 960078001)]