21927405

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9311}}^1$

素因数の和:9476

約数の個数: 16

約数和(自身を含む): 35311104

約数和(自身を除く): 13383699

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 9311, 27933, 46555, 139665, 1461827, 4385481, 7309135, 21927405]

約数ペア:

[(1, 21927405), (3, 7309135), (5, 4385481), (15, 1461827), (157, 139665), (471, 46555), (785, 27933), (2355, 9311)]