21522116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69877}}^1$

素因数の和:69899

約数の個数: 24

約数和(自身を含む): 46958016

約数和(自身を除く): 25435900

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 69877, 139754, 279508, 489139, 768647, 978278, 1537294, 1956556, 3074588, 5380529, 10761058, 21522116]

約数ペア:

[(1, 21522116), (2, 10761058), (4, 5380529), (7, 3074588), (11, 1956556), (14, 1537294), (22, 978278), (28, 768647), (44, 489139), (77, 279508), (154, 139754), (308, 69877)]