21845795

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 26732160

約数和(自身を除く): 4886365

約数列:

[1, 5, 101, 181, 239, 505, 905, 1195, 18281, 24139, 43259, 91405, 120695, 216295, 4369159, 21845795]

約数ペア:

[(1, 21845795), (5, 4369159), (101, 216295), (181, 120695), (239, 91405), (505, 43259), (905, 24139), (1195, 18281)]