21472341

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4967}}^1$

素因数の和:5112

約数の個数: 16

約数和(自身を含む): 31477248

約数和(自身を除く): 10004907

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4967, 14901, 54637, 163911, 650677, 1952031, 7157447, 21472341]

約数ペア:

[(1, 21472341), (3, 7157447), (11, 1952031), (33, 650677), (131, 163911), (393, 54637), (1441, 14901), (4323, 4967)]