21694953

素因数分解:

$3^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1277}}^1$

素因数の和:2096

約数の個数: 16

約数和(自身を含む): 33125760

約数和(自身を除く): 11430807

約数列:

[1, 3, 7, 21, 809, 1277, 2427, 3831, 5663, 8939, 16989, 26817, 1033093, 3099279, 7231651, 21694953]

約数ペア:

[(1, 21694953), (3, 7231651), (7, 3099279), (21, 1033093), (809, 26817), (1277, 16989), (2427, 8939), (3831, 5663)]