21138878497

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1\times {\mathrm{124633}}^1$

素因数の和:125568

約数の個数: 16

約数和(自身を含む): 24444217152

約数和(自身を除く): 3305338655

約数列:

[1, 11, 17, 187, 907, 9977, 15419, 124633, 169609, 1370963, 2118761, 23306371, 113042131, 1243463441, 1921716227, 21138878497]

約数ペア:

[(1, 21138878497), (11, 1921716227), (17, 1243463441), (187, 113042131), (907, 23306371), (9977, 2118761), (15419, 1370963), (124633, 169609)]