21620510

素因数分解:

$2^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3527}}^1$

素因数の和:4147

約数の個数: 16

約数和(自身を含む): 38991456

約数和(自身を除く): 17370946

約数列:

[1, 2, 5, 10, 613, 1226, 3065, 3527, 6130, 7054, 17635, 35270, 2162051, 4324102, 10810255, 21620510]

約数ペア:

[(1, 21620510), (2, 10810255), (5, 4324102), (10, 2162051), (613, 35270), (1226, 17635), (3065, 7054), (3527, 6130)]