12821561

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 14044800

約数和(自身を除く): 1223239

約数列:

[1, 19, 41, 109, 151, 779, 2071, 2869, 4469, 6191, 16459, 84911, 117629, 312721, 674819, 12821561]

約数ペア:

[(1, 12821561), (19, 674819), (41, 312721), (109, 117629), (151, 84911), (779, 16459), (2071, 6191), (2869, 4469)]