21052386

素因数分解:

$2^1\times 3^4\times {\mathrm{129953}}^1$

素因数の和:129967

約数の個数: 20

約数和(自身を含む): 47173302

約数和(自身を除く): 26120916

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129953, 259906, 389859, 779718, 1169577, 2339154, 3508731, 7017462, 10526193, 21052386]

約数ペア:

[(1, 21052386), (2, 10526193), (3, 7017462), (6, 3508731), (9, 2339154), (18, 1169577), (27, 779718), (54, 389859), (81, 259906), (162, 129953)]