21283934

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2239}}^1$

素因数の和:2352

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 16253986

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 679, 1358, 2239, 4478, 4753, 9506, 15673, 31346, 109711, 217183, 219422, 434366, 1520281, 3040562, 10641967, 21283934]

約数ペア:

[(1, 21283934), (2, 10641967), (7, 3040562), (14, 1520281), (49, 434366), (97, 219422), (98, 217183), (194, 109711), (679, 31346), (1358, 15673), (2239, 9506), (4478, 4753)]