21933995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3109}}^1$

素因数の和:3214

約数の個数: 16

約数和(自身を含む): 28213920

約数和(自身を除く): 6279925

約数列:

[1, 5, 17, 83, 85, 415, 1411, 3109, 7055, 15545, 52853, 258047, 264265, 1290235, 4386799, 21933995]

約数ペア:

[(1, 21933995), (5, 4386799), (17, 1290235), (83, 264265), (85, 258047), (415, 52853), (1411, 15545), (3109, 7055)]