21329739

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{40169}}^1$

素因数の和:40234

約数の個数: 12

約数和(自身を含む): 31332600

約数和(自身を除く): 10002861

約数列:

[1, 3, 9, 59, 177, 531, 40169, 120507, 361521, 2369971, 7109913, 21329739]

約数ペア:

[(1, 21329739), (3, 7109913), (9, 2369971), (59, 361521), (177, 120507), (531, 40169)]