21798136

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{38377}}^1$

素因数の和:38454

約数の個数: 16

約数和(自身を含む): 41448240

約数和(自身を除く): 19650104

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 38377, 76754, 153508, 307016, 2724767, 5449534, 10899068, 21798136]

約数ペア:

[(1, 21798136), (2, 10899068), (4, 5449534), (8, 2724767), (71, 307016), (142, 153508), (284, 76754), (568, 38377)]