21442797

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 32979960

約数和(自身を除く): 11537163

約数列:

[1, 3, 9, 17, 51, 153, 269, 521, 807, 1563, 2421, 4573, 4689, 8857, 13719, 26571, 41157, 79713, 140149, 420447, 1261341, 2382533, 7147599, 21442797]

約数ペア:

[(1, 21442797), (3, 7147599), (9, 2382533), (17, 1261341), (51, 420447), (153, 140149), (269, 79713), (521, 41157), (807, 26571), (1563, 13719), (2421, 8857), (4573, 4689)]