21137112016

素因数分解:

$2^4\times {\mathrm{1321069501}}^1$

素因数の和:1321069509

約数の個数: 10

約数和(自身を含む): 40953154562

約数和(自身を除く): 19816042546

約数列:

[1, 2, 4, 8, 16, 1321069501, 2642139002, 5284278004, 10568556008, 21137112016]

約数ペア:

[(1, 21137112016), (2, 10568556008), (4, 5284278004), (8, 2642139002), (16, 1321069501)]