26839278

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{21001}}^1$

素因数の和:21080

約数の個数: 24

約数和(自身を含む): 58973616

約数和(自身を除く): 32134338

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 21001, 42002, 63003, 126006, 189009, 378018, 1491071, 2982142, 4473213, 8946426, 13419639, 26839278]

約数ペア:

[(1, 26839278), (2, 13419639), (3, 8946426), (6, 4473213), (9, 2982142), (18, 1491071), (71, 378018), (142, 189009), (213, 126006), (426, 63003), (639, 42002), (1278, 21001)]