21182289

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8837}}^1$

素因数の和:8904

約数の個数: 16

約数和(自身を含む): 30544128

約数和(自身を除く): 9361839

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8837, 26511, 150229, 415339, 450687, 1246017, 7060763, 21182289]

約数ペア:

[(1, 21182289), (3, 7060763), (17, 1246017), (47, 450687), (51, 415339), (141, 150229), (799, 26511), (2397, 8837)]