21435489

素因数分解:

$3^3\times {\mathrm{821}}^1\times {\mathrm{967}}^1$

素因数の和:1797

約数の個数: 16

約数和(自身を含む): 31827840

約数和(自身を除く): 10392351

約数列:

[1, 3, 9, 27, 821, 967, 2463, 2901, 7389, 8703, 22167, 26109, 793907, 2381721, 7145163, 21435489]

約数ペア:

[(1, 21435489), (3, 7145163), (9, 2381721), (27, 793907), (821, 26109), (967, 22167), (2463, 8703), (2901, 7389)]