21149122

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{8521}}^1$

素因数の和:8613

約数の個数: 16

約数和(自身を含む): 34053912

約数和(自身を除く): 12904790

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 8521, 17042, 144857, 289714, 622033, 1244066, 10574561, 21149122]

約数ペア:

[(1, 21149122), (2, 10574561), (17, 1244066), (34, 622033), (73, 289714), (146, 144857), (1241, 17042), (2482, 8521)]