21580055

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{36269}}^1$

素因数の和:36298

約数の個数: 16

約数和(自身を含む): 31337280

約数和(自身を除く): 9757225

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 36269, 181345, 253883, 616573, 1269415, 3082865, 4316011, 21580055]

約数ペア:

[(1, 21580055), (5, 4316011), (7, 3082865), (17, 1269415), (35, 616573), (85, 253883), (119, 181345), (595, 36269)]