21452905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1847}}^1$

素因数の和:1976

約数の個数: 16

約数和(自身を含む): 27143424

約数和(自身を除く): 5690519

約数列:

[1, 5, 23, 101, 115, 505, 1847, 2323, 9235, 11615, 42481, 186547, 212405, 932735, 4290581, 21452905]

約数ペア:

[(1, 21452905), (5, 4290581), (23, 932735), (101, 212405), (115, 186547), (505, 42481), (1847, 11615), (2323, 9235)]