21709119

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{2819}}^1$

素因数の和:2990

約数の個数: 16

約数和(自身を含む): 30862080

約数和(自身を除く): 9152961

約数列:

[1, 3, 17, 51, 151, 453, 2567, 2819, 7701, 8457, 47923, 143769, 425669, 1277007, 7236373, 21709119]

約数ペア:

[(1, 21709119), (3, 7236373), (17, 1277007), (51, 425669), (151, 143769), (453, 47923), (2567, 8457), (2819, 7701)]