21842558

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{443}}^1$

素因数の和:811

約数の個数: 16

約数和(自身を含む): 33326640

約数和(自身を除く): 11484082

約数列:

[1, 2, 89, 178, 277, 443, 554, 886, 24653, 39427, 49306, 78854, 122711, 245422, 10921279, 21842558]

約数ペア:

[(1, 21842558), (2, 10921279), (89, 245422), (178, 122711), (277, 78854), (443, 49306), (554, 39427), (886, 24653)]