21779301

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2789}}^1$

素因数の和:2948

約数の個数: 16

約数和(自身を含む): 30801600

約数和(自身を除く): 9022299

約数列:

[1, 3, 19, 57, 137, 411, 2603, 2789, 7809, 8367, 52991, 158973, 382093, 1146279, 7259767, 21779301]

約数ペア:

[(1, 21779301), (3, 7259767), (19, 1146279), (57, 382093), (137, 158973), (411, 52991), (2603, 8367), (2789, 7809)]