21967036

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2081}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 48968640

約数和(自身を除く): 27001604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2081, 2639, 4162, 5278, 8324, 10556, 14567, 27053, 29134, 54106, 58268, 60349, 108212, 120698, 189371, 241396, 378742, 422443, 757484, 784537, 844886, 1569074, 1689772, 3138148, 5491759, 10983518, 21967036]

約数ペア:

[(1, 21967036), (2, 10983518), (4, 5491759), (7, 3138148), (13, 1689772), (14, 1569074), (26, 844886), (28, 784537), (29, 757484), (52, 422443), (58, 378742), (91, 241396), (116, 189371), (182, 120698), (203, 108212), (364, 60349), (377, 58268), (406, 54106), (754, 29134), (812, 27053), (1508, 14567), (2081, 10556), (2639, 8324), (4162, 5278)]