21462687

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{929}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 11615553

約数列:

[1, 3, 9, 17, 51, 151, 153, 453, 929, 1359, 2567, 2787, 7701, 8361, 15793, 23103, 47379, 140279, 142137, 420837, 1262511, 2384743, 7154229, 21462687]

約数ペア:

[(1, 21462687), (3, 7154229), (9, 2384743), (17, 1262511), (51, 420837), (151, 142137), (153, 140279), (453, 47379), (929, 23103), (1359, 15793), (2567, 8361), (2787, 7701)]