21225942

素因数分解:

$2^1\times 3^3\times {\mathrm{393073}}^1$

素因数の和:393084

約数の個数: 16

約数和(自身を含む): 47168880

約数和(自身を除く): 25942938

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 393073, 786146, 1179219, 2358438, 3537657, 7075314, 10612971, 21225942]

約数ペア:

[(1, 21225942), (2, 10612971), (3, 7075314), (6, 3537657), (9, 2358438), (18, 1179219), (27, 786146), (54, 393073)]