21226093

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 3772307

約数列:

[1, 7, 47, 149, 329, 433, 1043, 3031, 7003, 20351, 49021, 64517, 142457, 451619, 3032299, 21226093]

約数ペア:

[(1, 21226093), (7, 3032299), (47, 451619), (149, 142457), (329, 64517), (433, 49021), (1043, 20351), (3031, 7003)]