21395536

素因数分解:

$2^4\times {\mathrm{607}}^1\times {\mathrm{2203}}^1$

素因数の和:2818

約数の個数: 20

約数和(自身を含む): 41540992

約数和(自身を除く): 20145456

約数列:

[1, 2, 4, 8, 16, 607, 1214, 2203, 2428, 4406, 4856, 8812, 9712, 17624, 35248, 1337221, 2674442, 5348884, 10697768, 21395536]

約数ペア:

[(1, 21395536), (2, 10697768), (4, 5348884), (8, 2674442), (16, 1337221), (607, 35248), (1214, 17624), (2203, 9712), (2428, 8812), (4406, 4856)]