21083225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 27269088

約数和(自身を除く): 6185863

約数列:

[1, 5, 25, 41, 67, 205, 307, 335, 1025, 1535, 1675, 2747, 7675, 12587, 13735, 20569, 62935, 68675, 102845, 314675, 514225, 843329, 4216645, 21083225]

約数ペア:

[(1, 21083225), (5, 4216645), (25, 843329), (41, 514225), (67, 314675), (205, 102845), (307, 68675), (335, 62935), (1025, 20569), (1535, 13735), (1675, 12587), (2747, 7675)]