21339052

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40111}}^1$

素因数の和:40141

約数の個数: 24

約数和(自身を含む): 44925440

約数和(自身を除く): 23586388

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40111, 80222, 160444, 280777, 561554, 762109, 1123108, 1524218, 3048436, 5334763, 10669526, 21339052]

約数ペア:

[(1, 21339052), (2, 10669526), (4, 5334763), (7, 3048436), (14, 1524218), (19, 1123108), (28, 762109), (38, 561554), (76, 280777), (133, 160444), (266, 80222), (532, 40111)]