21706188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258407}}^1$

素因数の和:258421

約数の個数: 24

約数和(自身を含む): 57883392

約数和(自身を除く): 36177204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258407, 516814, 775221, 1033628, 1550442, 1808849, 3100884, 3617698, 5426547, 7235396, 10853094, 21706188]

約数ペア:

[(1, 21706188), (2, 10853094), (3, 7235396), (4, 5426547), (6, 3617698), (7, 3100884), (12, 1808849), (14, 1550442), (21, 1033628), (28, 775221), (42, 516814), (84, 258407)]