21930196

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 39989376

約数和(自身を除く): 18059180

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2087, 2627, 4174, 5254, 8348, 10508, 77219, 148177, 154438, 296354, 308876, 592708, 5482549, 10965098, 21930196]

約数ペア:

[(1, 21930196), (2, 10965098), (4, 5482549), (37, 592708), (71, 308876), (74, 296354), (142, 154438), (148, 148177), (284, 77219), (2087, 10508), (2627, 8348), (4174, 5254)]