21088566

素因数分解:

$2^1\times 3^3\times {\mathrm{149}}^1\times {\mathrm{2621}}^1$

素因数の和:2781

約数の個数: 32

約数和(自身を含む): 47196000

約数和(自身を除く): 26107434

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 149, 298, 447, 894, 1341, 2621, 2682, 4023, 5242, 7863, 8046, 15726, 23589, 47178, 70767, 141534, 390529, 781058, 1171587, 2343174, 3514761, 7029522, 10544283, 21088566]

約数ペア:

[(1, 21088566), (2, 10544283), (3, 7029522), (6, 3514761), (9, 2343174), (18, 1171587), (27, 781058), (54, 390529), (149, 141534), (298, 70767), (447, 47178), (894, 23589), (1341, 15726), (2621, 8046), (2682, 7863), (4023, 5242)]