21174794

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:925

約数の個数: 16

約数和(自身を含む): 32356800

約数和(自身を除く): 11182006

約数列:

[1, 2, 83, 166, 199, 398, 641, 1282, 16517, 33034, 53203, 106406, 127559, 255118, 10587397, 21174794]

約数ペア:

[(1, 21174794), (2, 10587397), (83, 255118), (166, 127559), (199, 106406), (398, 53203), (641, 33034), (1282, 16517)]