21495055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5881}}^1$

素因数の和:5946

約数の個数: 16

約数和(自身を含む): 27951264

約数和(自身を除く): 6456209

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5881, 29405, 99977, 252883, 499885, 1264415, 4299011, 21495055]

約数ペア:

[(1, 21495055), (5, 4299011), (17, 1264415), (43, 499885), (85, 252883), (215, 99977), (731, 29405), (3655, 5881)]