21539019

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{883}}^1$

素因数の和:1106

約数の個数: 16

約数和(自身を含む): 29532672

約数和(自身を除く): 7993653

約数列:

[1, 3, 47, 141, 173, 519, 883, 2649, 8131, 24393, 41501, 124503, 152759, 458277, 7179673, 21539019]

約数ペア:

[(1, 21539019), (3, 7179673), (47, 458277), (141, 152759), (173, 124503), (519, 41501), (883, 24393), (2649, 8131)]