21131058

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1949}}^1$

素因数の和:2106

約数の個数: 32

約数和(自身を含む): 45864000

約数和(自身を除く): 24732942

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 1949, 3614, 3898, 5421, 5847, 10842, 11694, 25337, 50674, 76011, 152022, 270911, 541822, 812733, 1625466, 3521843, 7043686, 10565529, 21131058]

約数ペア:

[(1, 21131058), (2, 10565529), (3, 7043686), (6, 3521843), (13, 1625466), (26, 812733), (39, 541822), (78, 270911), (139, 152022), (278, 76011), (417, 50674), (834, 25337), (1807, 11694), (1949, 10842), (3614, 5847), (3898, 5421)]