21697382

素因数分解:

$2^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4889}}^1$

素因数の和:5215

約数の個数: 16

約数和(自身を含む): 37320480

約数和(自身を除く): 15623098

約数列:

[1, 2, 7, 14, 317, 634, 2219, 4438, 4889, 9778, 34223, 68446, 1549813, 3099626, 10848691, 21697382]

約数ペア:

[(1, 21697382), (2, 10848691), (7, 3099626), (14, 1549813), (317, 68446), (634, 34223), (2219, 9778), (4438, 4889)]