21407382

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3637}}^1$

素因数の和:3757

約数の個数: 32

約数和(自身を含む): 48021600

約数和(自身を除く): 26614218

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3637, 5886, 7274, 10911, 21822, 32733, 65466, 98199, 196398, 396433, 792866, 1189299, 2378598, 3567897, 7135794, 10703691, 21407382]

約数ペア:

[(1, 21407382), (2, 10703691), (3, 7135794), (6, 3567897), (9, 2378598), (18, 1189299), (27, 792866), (54, 396433), (109, 196398), (218, 98199), (327, 65466), (654, 32733), (981, 21822), (1962, 10911), (2943, 7274), (3637, 5886)]