21161246

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{1021}}^1$

素因数の和:1307

約数の個数: 16

約数和(自身を含む): 32646768

約数和(自身を除く): 11485522

約数列:

[1, 2, 43, 86, 241, 482, 1021, 2042, 10363, 20726, 43903, 87806, 246061, 492122, 10580623, 21161246]

約数ペア:

[(1, 21161246), (2, 10580623), (43, 492122), (86, 246061), (241, 87806), (482, 43903), (1021, 20726), (2042, 10363)]