21034782

素因数分解:

$2^1\times 3^3\times {\mathrm{389533}}^1$

素因数の和:389544

約数の個数: 16

約数和(自身を含む): 46744080

約数和(自身を除く): 25709298

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389533, 779066, 1168599, 2337198, 3505797, 7011594, 10517391, 21034782]

約数ペア:

[(1, 21034782), (2, 10517391), (3, 7011594), (6, 3505797), (9, 2337198), (18, 1168599), (27, 779066), (54, 389533)]