21073208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202627}}^1$

素因数の和:202646

約数の個数: 16

約数和(自身を含む): 42551880

約数和(自身を除く): 21478672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202627, 405254, 810508, 1621016, 2634151, 5268302, 10536604, 21073208]

約数ペア:

[(1, 21073208), (2, 10536604), (4, 5268302), (8, 2634151), (13, 1621016), (26, 810508), (52, 405254), (104, 202627)]