21132484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2551}}^1$

素因数の和:2683

約数の個数: 24

約数和(自身を含む): 39300800

約数和(自身を除く): 18168316

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 2551, 4142, 5102, 8284, 10204, 48469, 96938, 193876, 278059, 556118, 1112236, 5283121, 10566242, 21132484]

約数ペア:

[(1, 21132484), (2, 10566242), (4, 5283121), (19, 1112236), (38, 556118), (76, 278059), (109, 193876), (218, 96938), (436, 48469), (2071, 10204), (2551, 8284), (4142, 5102)]