21742164

素因数分解:

$2^2\times 3^2\times {\mathrm{603949}}^1$

素因数の和:603959

約数の個数: 18

約数和(自身を含む): 54959450

約数和(自身を除く): 33217286

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 603949, 1207898, 1811847, 2415796, 3623694, 5435541, 7247388, 10871082, 21742164]

約数ペア:

[(1, 21742164), (2, 10871082), (3, 7247388), (4, 5435541), (6, 3623694), (9, 2415796), (12, 1811847), (18, 1207898), (36, 603949)]