21330882

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 49227360

約数和(自身を除く): 27896478

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 97, 114, 171, 194, 291, 342, 582, 643, 873, 1286, 1746, 1843, 1929, 3686, 3858, 5529, 5787, 11058, 11574, 12217, 16587, 24434, 33174, 36651, 62371, 73302, 109953, 124742, 187113, 219906, 374226, 561339, 1122678, 1185049, 2370098, 3555147, 7110294, 10665441, 21330882]

約数ペア:

[(1, 21330882), (2, 10665441), (3, 7110294), (6, 3555147), (9, 2370098), (18, 1185049), (19, 1122678), (38, 561339), (57, 374226), (97, 219906), (114, 187113), (171, 124742), (194, 109953), (291, 73302), (342, 62371), (582, 36651), (643, 33174), (873, 24434), (1286, 16587), (1746, 12217), (1843, 11574), (1929, 11058), (3686, 5787), (3858, 5529)]