21752571

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{5399}}^1$

素因数の和:5498

約数の個数: 16

約数和(自身を含む): 31104000

約数和(自身を除く): 9351429

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 5399, 16197, 91783, 275349, 426521, 1279563, 7250857, 21752571]

約数ペア:

[(1, 21752571), (3, 7250857), (17, 1279563), (51, 426521), (79, 275349), (237, 91783), (1343, 16197), (4029, 5399)]