21264047

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 26215200

約数和(自身を除く): 4951153

約数列:

[1, 7, 29, 31, 109, 203, 217, 763, 899, 961, 3161, 3379, 6293, 6727, 22127, 23653, 27869, 97991, 104749, 195083, 685937, 733243, 3037721, 21264047]

約数ペア:

[(1, 21264047), (7, 3037721), (29, 733243), (31, 685937), (109, 195083), (203, 104749), (217, 97991), (763, 27869), (899, 23653), (961, 22127), (3161, 6727), (3379, 6293)]