21390402

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{324097}}^1$

素因数の和:324113

約数の個数: 16

約数和(自身を含む): 46670112

約数和(自身を除く): 25279710

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 324097, 648194, 972291, 1944582, 3565067, 7130134, 10695201, 21390402]

約数ペア:

[(1, 21390402), (2, 10695201), (3, 7130134), (6, 3565067), (11, 1944582), (22, 972291), (33, 648194), (66, 324097)]