21533755

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2226

約数の個数: 16

約数和(自身を含む): 27016704

約数和(自身を除く): 5482949

約数列:

[1, 5, 43, 47, 215, 235, 2021, 2131, 10105, 10655, 91633, 100157, 458165, 500785, 4306751, 21533755]

約数ペア:

[(1, 21533755), (5, 4306751), (43, 500785), (47, 458165), (215, 100157), (235, 91633), (2021, 10655), (2131, 10105)]