21032956

素因数分解:

$2^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:706

約数の個数: 36

約数和(自身を含む): 43092000

約数和(自身を除く): 22059044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 449, 478, 898, 956, 1673, 1796, 3143, 3346, 6286, 6692, 11711, 12572, 22001, 23422, 44002, 46844, 88004, 107311, 214622, 429244, 751177, 1502354, 3004708, 5258239, 10516478, 21032956]

約数ペア:

[(1, 21032956), (2, 10516478), (4, 5258239), (7, 3004708), (14, 1502354), (28, 751177), (49, 429244), (98, 214622), (196, 107311), (239, 88004), (449, 46844), (478, 44002), (898, 23422), (956, 22001), (1673, 12572), (1796, 11711), (3143, 6692), (3346, 6286)]