21131588

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 38533824

約数和(自身を除く): 17402236

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 2011, 2627, 4022, 5254, 8044, 10508, 74407, 142781, 148814, 285562, 297628, 571124, 5282897, 10565794, 21131588]

約数ペア:

[(1, 21131588), (2, 10565794), (4, 5282897), (37, 571124), (71, 297628), (74, 285562), (142, 148814), (148, 142781), (284, 74407), (2011, 10508), (2627, 8044), (4022, 5254)]