21960332

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 39137280

約数和(自身を除く): 17176948

約数列:

[1, 2, 4, 127, 139, 254, 278, 311, 508, 556, 622, 1244, 17653, 35306, 39497, 43229, 70612, 78994, 86458, 157988, 172916, 5490083, 10980166, 21960332]

約数ペア:

[(1, 21960332), (2, 10980166), (4, 5490083), (127, 172916), (139, 157988), (254, 86458), (278, 78994), (311, 70612), (508, 43229), (556, 39497), (622, 35306), (1244, 17653)]