21038266

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1097}}^1$

素因数の和:1365

約数の個数: 16

約数和(自身を含む): 32465664

約数和(自身を除く): 11427398

約数列:

[1, 2, 43, 86, 223, 446, 1097, 2194, 9589, 19178, 47171, 94342, 244631, 489262, 10519133, 21038266]

約数ペア:

[(1, 21038266), (2, 10519133), (43, 489262), (86, 244631), (223, 94342), (446, 47171), (1097, 19178), (2194, 9589)]