21425556

素因数分解:

$2^2\times 3^1\times {\mathrm{809}}^1\times {\mathrm{2207}}^1$

素因数の和:3023

約数の個数: 24

約数和(自身を含む): 50077440

約数和(自身を除く): 28651884

約数列:

[1, 2, 3, 4, 6, 12, 809, 1618, 2207, 2427, 3236, 4414, 4854, 6621, 8828, 9708, 13242, 26484, 1785463, 3570926, 5356389, 7141852, 10712778, 21425556]

約数ペア:

[(1, 21425556), (2, 10712778), (3, 7141852), (4, 5356389), (6, 3570926), (12, 1785463), (809, 26484), (1618, 13242), (2207, 9708), (2427, 8828), (3236, 6621), (4414, 4854)]