21438702

素因数分解:

$2^1\times 3^3\times {\mathrm{397013}}^1$

素因数の和:397024

約数の個数: 16

約数和(自身を含む): 47641680

約数和(自身を除く): 26202978

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 397013, 794026, 1191039, 2382078, 3573117, 7146234, 10719351, 21438702]

約数ペア:

[(1, 21438702), (2, 10719351), (3, 7146234), (6, 3573117), (9, 2382078), (18, 1191039), (27, 794026), (54, 397013)]