21283346

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5297}}^1$

素因数の和:5354

約数の個数: 24

約数和(自身を含む): 38050236

約数和(自身を除く): 16766890

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 5297, 10594, 37079, 74158, 217177, 259553, 434354, 519106, 1520239, 3040478, 10641673, 21283346]

約数ペア:

[(1, 21283346), (2, 10641673), (7, 3040478), (14, 1520239), (41, 519106), (49, 434354), (82, 259553), (98, 217177), (287, 74158), (574, 37079), (2009, 10594), (4018, 5297)]