21765469

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{467}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 3394211

約数列:

[1, 11, 19, 209, 223, 467, 2453, 4237, 5137, 8873, 46607, 97603, 104141, 1145551, 1978679, 21765469]

約数ペア:

[(1, 21765469), (11, 1978679), (19, 1145551), (209, 104141), (223, 97603), (467, 46607), (2453, 8873), (4237, 5137)]