21352165

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2237}}^1$

素因数の和:2348

約数の個数: 16

約数和(自身を含む): 27070848

約数和(自身を除く): 5718683

約数列:

[1, 5, 23, 83, 115, 415, 1909, 2237, 9545, 11185, 51451, 185671, 257255, 928355, 4270433, 21352165]

約数ペア:

[(1, 21352165), (5, 4270433), (23, 928355), (83, 257255), (115, 185671), (415, 51451), (1909, 11185), (2237, 9545)]