21439377

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{7027}}^1$

素因数の和:7149

約数の個数: 16

約数和(自身を含む): 32047680

約数和(自身を除く): 10608303

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 7027, 21081, 63243, 189729, 794051, 2382153, 7146459, 21439377]

約数ペア:

[(1, 21439377), (3, 7146459), (9, 2382153), (27, 794051), (113, 189729), (339, 63243), (1017, 21081), (3051, 7027)]