21639254

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{118897}}^1$

素因数の和:118919

約数の個数: 16

約数和(自身を含む): 39949728

約数和(自身を除く): 18310474

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 118897, 237794, 832279, 1545661, 1664558, 3091322, 10819627, 21639254]

約数ペア:

[(1, 21639254), (2, 10819627), (7, 3091322), (13, 1664558), (14, 1545661), (26, 832279), (91, 237794), (182, 118897)]