21669651

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{769}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 32672640

約数和(自身を除く): 11002989

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 769, 909, 2307, 3131, 6921, 9393, 23839, 28179, 71517, 77669, 214551, 233007, 699021, 2407739, 7223217, 21669651]

約数ペア:

[(1, 21669651), (3, 7223217), (9, 2407739), (31, 699021), (93, 233007), (101, 214551), (279, 77669), (303, 71517), (769, 28179), (909, 23839), (2307, 9393), (3131, 6921)]