21045154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2293}}^1$

素因数の和:2661

約数の個数: 16

約数和(自身を含む): 34107192

約数和(自身を除く): 13062038

約数列:

[1, 2, 13, 26, 353, 706, 2293, 4586, 4589, 9178, 29809, 59618, 809429, 1618858, 10522577, 21045154]

約数ペア:

[(1, 21045154), (2, 10522577), (13, 1618858), (26, 809429), (353, 59618), (706, 29809), (2293, 9178), (4586, 4589)]