21293367

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{1163}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 30170880

約数和(自身を除く): 8877513

約数列:

[1, 3, 17, 51, 359, 1077, 1163, 3489, 6103, 18309, 19771, 59313, 417517, 1252551, 7097789, 21293367]

約数ペア:

[(1, 21293367), (3, 7097789), (17, 1252551), (51, 417517), (359, 59313), (1077, 19771), (1163, 18309), (3489, 6103)]