21363027

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6737}}^1$

素因数の和:6898

約数の個数: 16

約数和(自身を含む): 32773632

約数和(自身を除く): 11410605

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 6737, 20211, 47159, 141477, 1017287, 3051861, 7121009, 21363027]

約数ペア:

[(1, 21363027), (3, 7121009), (7, 3051861), (21, 1017287), (151, 141477), (453, 47159), (1057, 20211), (3171, 6737)]