21329135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{719}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 5886865

約数列:

[1, 5, 17, 85, 349, 719, 1745, 3595, 5933, 12223, 29665, 61115, 250931, 1254655, 4265827, 21329135]

約数ペア:

[(1, 21329135), (5, 4265827), (17, 1254655), (85, 250931), (349, 61115), (719, 29665), (1745, 12223), (3595, 5933)]