21028060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55337}}^1$

素因数の和:55365

約数の個数: 24

約数和(自身を含む): 46483920

約数和(自身を除く): 25455860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 55337, 110674, 221348, 276685, 553370, 1051403, 1106740, 2102806, 4205612, 5257015, 10514030, 21028060]

約数ペア:

[(1, 21028060), (2, 10514030), (4, 5257015), (5, 4205612), (10, 2102806), (19, 1106740), (20, 1051403), (38, 553370), (76, 276685), (95, 221348), (190, 110674), (380, 55337)]