21312053

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6967}}^1$

素因数の和:7016

約数の個数: 16

約数和(自身を含む): 26757120

約数和(自身を除く): 5445067

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 6967, 48769, 132373, 160241, 926611, 1121687, 3044579, 21312053]

約数ペア:

[(1, 21312053), (7, 3044579), (19, 1121687), (23, 926611), (133, 160241), (161, 132373), (437, 48769), (3059, 6967)]