21438508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58897}}^1$

素因数の和:58921

約数の個数: 24

約数和(自身を含む): 46176032

約数和(自身を除く): 24737524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58897, 117794, 235588, 412279, 765661, 824558, 1531322, 1649116, 3062644, 5359627, 10719254, 21438508]

約数ペア:

[(1, 21438508), (2, 10719254), (4, 5359627), (7, 3062644), (13, 1649116), (14, 1531322), (26, 824558), (28, 765661), (52, 412279), (91, 235588), (182, 117794), (364, 58897)]