21354867

素因数分解:

$3^3\times {\mathrm{607}}^1\times {\mathrm{1303}}^1$

素因数の和:1919

約数の個数: 16

約数和(自身を含む): 31713280

約数和(自身を除く): 10358413

約数列:

[1, 3, 9, 27, 607, 1303, 1821, 3909, 5463, 11727, 16389, 35181, 790921, 2372763, 7118289, 21354867]

約数ペア:

[(1, 21354867), (3, 7118289), (9, 2372763), (27, 790921), (607, 35181), (1303, 16389), (1821, 11727), (3909, 5463)]