21731463

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 35071680

約数和(自身を除く): 13340217

約数列:

[1, 3, 9, 13, 27, 39, 101, 117, 303, 351, 613, 909, 1313, 1839, 2727, 3939, 5517, 7969, 11817, 16551, 23907, 35451, 61913, 71721, 185739, 215163, 557217, 804869, 1671651, 2414607, 7243821, 21731463]

約数ペア:

[(1, 21731463), (3, 7243821), (9, 2414607), (13, 1671651), (27, 804869), (39, 557217), (101, 215163), (117, 185739), (303, 71721), (351, 61913), (613, 35451), (909, 23907), (1313, 16551), (1839, 11817), (2727, 7969), (3939, 5517)]