21814845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111871}}^1$

素因数の和:111892

約数の個数: 16

約数和(自身を含む): 37588992

約数和(自身を除く): 15774147

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 111871, 335613, 559355, 1454323, 1678065, 4362969, 7271615, 21814845]

約数ペア:

[(1, 21814845), (3, 7271615), (5, 4362969), (13, 1678065), (15, 1454323), (39, 559355), (65, 335613), (195, 111871)]