21806061

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1301}}^1$

素因数の和:1492

約数の個数: 16

約数和(自身を含む): 30081408

約数和(自身を除く): 8275347

約数列:

[1, 3, 37, 111, 151, 453, 1301, 3903, 5587, 16761, 48137, 144411, 196451, 589353, 7268687, 21806061]

約数ペア:

[(1, 21806061), (3, 7268687), (37, 589353), (111, 196451), (151, 144411), (453, 48137), (1301, 16761), (3903, 5587)]