21114032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{30689}}^1$

素因数の和:30740

約数の個数: 20

約数和(自身を含む): 41861160

約数和(自身を除く): 20747128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 30689, 61378, 122756, 245512, 491024, 1319627, 2639254, 5278508, 10557016, 21114032]

約数ペア:

[(1, 21114032), (2, 10557016), (4, 5278508), (8, 2639254), (16, 1319627), (43, 491024), (86, 245512), (172, 122756), (344, 61378), (688, 30689)]