21728262

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{35159}}^1$

素因数の和:35267

約数の個数: 16

約数和(自身を含む): 43879680

約数和(自身を除く): 22151418

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 35159, 70318, 105477, 210954, 3621377, 7242754, 10864131, 21728262]

約数ペア:

[(1, 21728262), (2, 10864131), (3, 7242754), (6, 3621377), (103, 210954), (206, 105477), (309, 70318), (618, 35159)]