21390666

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{324101}}^1$

素因数の和:324117

約数の個数: 16

約数和(自身を含む): 46670688

約数和(自身を除く): 25280022

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 324101, 648202, 972303, 1944606, 3565111, 7130222, 10695333, 21390666]

約数ペア:

[(1, 21390666), (2, 10695333), (3, 7130222), (6, 3565111), (11, 1944606), (22, 972303), (33, 648202), (66, 324101)]