21184527

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1063}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 35273728

約数和(自身を除く): 14089201

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1063, 1533, 2847, 3189, 6643, 7441, 13819, 19929, 22323, 41457, 77599, 96733, 232797, 290199, 543193, 1008787, 1629579, 3026361, 7061509, 21184527]

約数ペア:

[(1, 21184527), (3, 7061509), (7, 3026361), (13, 1629579), (21, 1008787), (39, 543193), (73, 290199), (91, 232797), (219, 96733), (273, 77599), (511, 41457), (949, 22323), (1063, 19929), (1533, 13819), (2847, 7441), (3189, 6643)]