211059910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{490837}}^1$

素因数の和:490887

約数の個数: 16

約数和(自身を含む): 388743696

約数和(自身を除く): 177683786

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 490837, 981674, 2454185, 4908370, 21105991, 42211982, 105529955, 211059910]

約数ペア:

[(1, 211059910), (2, 105529955), (5, 42211982), (10, 21105991), (43, 4908370), (86, 2454185), (215, 981674), (430, 490837)]