21663287

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 3012553

約数列:

[1, 17, 19, 47, 323, 799, 893, 1427, 15181, 24259, 27113, 67069, 460921, 1140173, 1274311, 21663287]

約数ペア:

[(1, 21663287), (17, 1274311), (19, 1140173), (47, 460921), (323, 67069), (799, 27113), (893, 24259), (1427, 15181)]