21548037

素因数分解:

$3^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1223}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 11353083

約数列:

[1, 3, 7, 21, 839, 1223, 2517, 3669, 5873, 8561, 17619, 25683, 1026097, 3078291, 7182679, 21548037]

約数ペア:

[(1, 21548037), (3, 7182679), (7, 3078291), (21, 1026097), (839, 25683), (1223, 17619), (2517, 8561), (3669, 5873)]