21465334

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4903}}^1$

素因数の和:5115

約数の個数: 16

約数和(自身を含む): 35308800

約数和(自身を除く): 13843466

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4903, 9806, 53933, 107866, 975697, 1951394, 10732667, 21465334]

約数ペア:

[(1, 21465334), (2, 10732667), (11, 1951394), (22, 975697), (199, 107866), (398, 53933), (2189, 9806), (4378, 4903)]