21039886

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{48479}}^1$

素因数の和:48519

約数の個数: 16

約数和(自身を含む): 37232640

約数和(自身を除く): 16192754

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 48479, 96958, 339353, 678706, 1502849, 3005698, 10519943, 21039886]

約数ペア:

[(1, 21039886), (2, 10519943), (7, 3005698), (14, 1502849), (31, 678706), (62, 339353), (217, 96958), (434, 48479)]