21969873

素因数分解:

$3^6\times {\mathrm{30137}}^1$

素因数の和:30155

約数の個数: 14

約数和(自身を含む): 32940834

約数和(自身を除く): 10970961

約数列:

[1, 3, 9, 27, 81, 243, 729, 30137, 90411, 271233, 813699, 2441097, 7323291, 21969873]

約数ペア:

[(1, 21969873), (3, 7323291), (9, 2441097), (27, 813699), (81, 271233), (243, 90411), (729, 30137)]