21048635

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8539}}^1$

素因数の和:8590

約数の個数: 16

約数和(自身を含む): 27669600

約数和(自身を除く): 6620965

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 8539, 42695, 145163, 247631, 725815, 1238155, 4209727, 21048635]

約数ペア:

[(1, 21048635), (5, 4209727), (17, 1238155), (29, 725815), (85, 247631), (145, 145163), (493, 42695), (2465, 8539)]