21175694

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3373}}^1$

素因数の和:3491

約数の個数: 16

約数和(自身を含む): 32957232

約数和(自身を除く): 11781538

約数列:

[1, 2, 43, 73, 86, 146, 3139, 3373, 6278, 6746, 145039, 246229, 290078, 492458, 10587847, 21175694]

約数ペア:

[(1, 21175694), (2, 10587847), (43, 492458), (73, 290078), (86, 246229), (146, 145039), (3139, 6746), (3373, 6278)]