21171035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13109}}^1$

素因数の和:13150

約数の個数: 16

約数和(自身を含む): 28317600

約数和(自身を除く): 7146565

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 13109, 65545, 222853, 249071, 1114265, 1245355, 4234207, 21171035]

約数ペア:

[(1, 21171035), (5, 4234207), (17, 1245355), (19, 1114265), (85, 249071), (95, 222853), (323, 65545), (1615, 13109)]