21062942

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1823}}^1$

素因数の和:1987

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 11440738

約数列:

[1, 2, 53, 106, 109, 218, 1823, 3646, 5777, 11554, 96619, 193238, 198707, 397414, 10531471, 21062942]

約数ペア:

[(1, 21062942), (2, 10531471), (53, 397414), (106, 198707), (109, 193238), (218, 96619), (1823, 11554), (3646, 5777)]