21034638

素因数分解:

$2^1\times 3^2\times {\mathrm{419}}^1\times {\mathrm{2789}}^1$

素因数の和:3216

約数の個数: 24

約数和(自身を含む): 45700200

約数和(自身を除く): 24665562

約数列:

[1, 2, 3, 6, 9, 18, 419, 838, 1257, 2514, 2789, 3771, 5578, 7542, 8367, 16734, 25101, 50202, 1168591, 2337182, 3505773, 7011546, 10517319, 21034638]

約数ペア:

[(1, 21034638), (2, 10517319), (3, 7011546), (6, 3505773), (9, 2337182), (18, 1168591), (419, 50202), (838, 25101), (1257, 16734), (2514, 8367), (2789, 7542), (3771, 5578)]