21136059

素因数分解:

$3^4\times 7^1\times {\mathrm{37277}}^1$

素因数の和:37296

約数の個数: 20

約数和(自身を含む): 36085104

約数和(自身を除く): 14949045

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 37277, 111831, 260939, 335493, 782817, 1006479, 2348451, 3019437, 7045353, 21136059]

約数ペア:

[(1, 21136059), (3, 7045353), (7, 3019437), (9, 2348451), (21, 1006479), (27, 782817), (63, 335493), (81, 260939), (189, 111831), (567, 37277)]