21570786

素因数分解:

$2^1\times 3^4\times {\mathrm{133153}}^1$

素因数の和:133167

約数の個数: 20

約数和(自身を含む): 48334902

約数和(自身を除く): 26764116

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133153, 266306, 399459, 798918, 1198377, 2396754, 3595131, 7190262, 10785393, 21570786]

約数ペア:

[(1, 21570786), (2, 10785393), (3, 7190262), (6, 3595131), (9, 2396754), (18, 1198377), (27, 798918), (54, 399459), (81, 266306), (162, 133153)]