21943485

素因数分解:

$3^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{857}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 38146680

約数和(自身を除く): 16203195

約数列:

[1, 3, 5, 9, 15, 45, 569, 857, 1707, 2571, 2845, 4285, 5121, 7713, 8535, 12855, 25605, 38565, 487633, 1462899, 2438165, 4388697, 7314495, 21943485]

約数ペア:

[(1, 21943485), (3, 7314495), (5, 4388697), (9, 2438165), (15, 1462899), (45, 487633), (569, 38565), (857, 25605), (1707, 12855), (2571, 8535), (2845, 7713), (4285, 5121)]