21110973

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{3203}}^1$

素因数の和:3245

約数の個数: 16

約数和(自身を含む): 30502080

約数和(自身を除く): 9391107

約数列:

[1, 3, 13, 39, 169, 507, 2197, 3203, 6591, 9609, 41639, 124917, 541307, 1623921, 7036991, 21110973]

約数ペア:

[(1, 21110973), (3, 7036991), (13, 1623921), (39, 541307), (169, 124917), (507, 41639), (2197, 9609), (3203, 6591)]