21094199

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 25536000

約数和(自身を除く): 4441801

約数列:

[1, 7, 19, 133, 199, 797, 1393, 3781, 5579, 15143, 26467, 106001, 158603, 1110221, 3013457, 21094199]

約数ペア:

[(1, 21094199), (7, 3013457), (19, 1110221), (133, 158603), (199, 106001), (797, 26467), (1393, 15143), (3781, 5579)]