21191061

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1151}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 31601664

約数和(自身を除く): 10410603

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 1151, 3453, 6137, 18411, 19567, 21869, 58701, 65607, 371773, 415511, 1115319, 1246533, 7063687, 21191061]

約数ペア:

[(1, 21191061), (3, 7063687), (17, 1246533), (19, 1115319), (51, 415511), (57, 371773), (323, 65607), (361, 58701), (969, 21869), (1083, 19567), (1151, 18411), (3453, 6137)]