21483215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4933}}^1$

素因数の和:5018

約数の個数: 16

約数和(自身を含む): 28183008

約数和(自身を除く): 6699793

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 4933, 24665, 64129, 320645, 330511, 1652555, 4296643, 21483215]

約数ペア:

[(1, 21483215), (5, 4296643), (13, 1652555), (65, 330511), (67, 320645), (335, 64129), (871, 24665), (4355, 4933)]