21597678

素因数分解:

$2^1\times 3^4\times {\mathrm{133319}}^1$

素因数の和:133333

約数の個数: 20

約数和(自身を含む): 48395160

約数和(自身を除く): 26797482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133319, 266638, 399957, 799914, 1199871, 2399742, 3599613, 7199226, 10798839, 21597678]

約数ペア:

[(1, 21597678), (2, 10798839), (3, 7199226), (6, 3599613), (9, 2399742), (18, 1199871), (27, 799914), (54, 399957), (81, 266638), (162, 133319)]