21485795

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2251}}^1$

素因数の和:2362

約数の個数: 16

約数和(自身を含む): 27240192

約数和(自身を除く): 5754397

約数列:

[1, 5, 23, 83, 115, 415, 1909, 2251, 9545, 11255, 51773, 186833, 258865, 934165, 4297159, 21485795]

約数ペア:

[(1, 21485795), (5, 4297159), (23, 934165), (83, 258865), (115, 186833), (415, 51773), (1909, 11255), (2251, 9545)]