21044913

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1913}}^1$

素因数の和:2128

約数の個数: 16

約数和(自身を含む): 29705280

約数和(自身を除く): 8660367

約数列:

[1, 3, 19, 57, 193, 579, 1913, 3667, 5739, 11001, 36347, 109041, 369209, 1107627, 7014971, 21044913]

約数ペア:

[(1, 21044913), (3, 7014971), (19, 1107627), (57, 369209), (193, 109041), (579, 36347), (1913, 11001), (3667, 5739)]