21696279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4799}}^1$

素因数の和:4950

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 10098921

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4521, 4799, 14397, 52789, 158367, 657463, 1972389, 7232093, 21696279]

約数ペア:

[(1, 21696279), (3, 7232093), (11, 1972389), (33, 657463), (137, 158367), (411, 52789), (1507, 14397), (4521, 4799)]