21451569

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10259}}^1$

素因数の和:10320

約数の個数: 16

約数和(自身を含む): 31026240

約数和(自身を除く): 9574671

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10259, 30777, 174403, 420619, 523209, 1261857, 7150523, 21451569]

約数ペア:

[(1, 21451569), (3, 7150523), (17, 1261857), (41, 523209), (51, 420619), (123, 174403), (697, 30777), (2091, 10259)]