21782404

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4073}}^1$

素因数の和:4275

約数の個数: 24

約数和(自身を含む): 43803648

約数和(自身を除く): 22021244

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 4073, 5348, 8146, 16292, 28511, 57022, 114044, 777943, 1555886, 3111772, 5445601, 10891202, 21782404]

約数ペア:

[(1, 21782404), (2, 10891202), (4, 5445601), (7, 3111772), (14, 1555886), (28, 777943), (191, 114044), (382, 57022), (764, 28511), (1337, 16292), (2674, 8146), (4073, 5348)]