2021281045

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1\times {\mathrm{4049}}^1$

素因数の和:4917

約数の個数: 32

約数和(自身を含む): 2939328000

約数和(自身を除く): 918046955

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 839, 4049, 4195, 5873, 14263, 20245, 28343, 29365, 68833, 71315, 99841, 141715, 344165, 481831, 499205, 2409155, 3397111, 16985555, 23779777, 57750887, 118898885, 288754435, 404256209, 2021281045]

約数ペア:

[(1, 2021281045), (5, 404256209), (7, 288754435), (17, 118898885), (35, 57750887), (85, 23779777), (119, 16985555), (595, 3397111), (839, 2409155), (4049, 499205), (4195, 481831), (5873, 344165), (14263, 141715), (20245, 99841), (28343, 71315), (29365, 68833)]