21879434

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{373}}^1$

素因数の和:725

約数の個数: 16

約数和(自身を含む): 33300960

約数和(自身を除く): 11421526

約数列:

[1, 2, 139, 211, 278, 373, 422, 746, 29329, 51847, 58658, 78703, 103694, 157406, 10939717, 21879434]

約数ペア:

[(1, 21879434), (2, 10939717), (139, 157406), (211, 103694), (278, 78703), (373, 58658), (422, 51847), (746, 29329)]