21083085

素因数分解:

$3^4\times 5^1\times {\mathrm{52057}}^1$

素因数の和:52074

約数の個数: 20

約数和(自身を含む): 37794108

約数和(自身を除く): 16711023

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 52057, 156171, 260285, 468513, 780855, 1405539, 2342565, 4216617, 7027695, 21083085]

約数ペア:

[(1, 21083085), (3, 7027695), (5, 4216617), (9, 2342565), (15, 1405539), (27, 780855), (45, 468513), (81, 260285), (135, 156171), (405, 52057)]