21404556

素因数分解:

$2^2\times 3^2\times {\mathrm{594571}}^1$

素因数の和:594581

約数の個数: 18

約数和(自身を含む): 54106052

約数和(自身を除く): 32701496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 594571, 1189142, 1783713, 2378284, 3567426, 5351139, 7134852, 10702278, 21404556]

約数ペア:

[(1, 21404556), (2, 10702278), (3, 7134852), (4, 5351139), (6, 3567426), (9, 2378284), (12, 1783713), (18, 1189142), (36, 594571)]