21336460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36787}}^1$

素因数の和:36825

約数の個数: 24

約数和(自身を含む): 46352880

約数和(自身を除く): 25016420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36787, 73574, 147148, 183935, 367870, 735740, 1066823, 2133646, 4267292, 5334115, 10668230, 21336460]

約数ペア:

[(1, 21336460), (2, 10668230), (4, 5334115), (5, 4267292), (10, 2133646), (20, 1066823), (29, 735740), (58, 367870), (116, 183935), (145, 147148), (290, 73574), (580, 36787)]