21329451

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16573}}^1$

素因数の和:16603

約数の個数: 24

約数和(自身を含む): 36197616

約数和(自身を除く): 14868165

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16573, 49719, 149157, 182303, 215449, 546909, 646347, 1640727, 1939041, 2369939, 7109817, 21329451]

約数ペア:

[(1, 21329451), (3, 7109817), (9, 2369939), (11, 1939041), (13, 1640727), (33, 646347), (39, 546909), (99, 215449), (117, 182303), (143, 149157), (429, 49719), (1287, 16573)]