21606844

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4793}}^1$

素因数の和:4834

約数の個数: 36

約数和(自身を含む): 45907344

約数和(自身を除く): 24300500

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 4793, 9586, 19172, 33551, 67102, 110239, 134204, 220478, 234857, 440956, 469714, 771673, 939428, 1543346, 3086692, 5401711, 10803422, 21606844]

約数ペア:

[(1, 21606844), (2, 10803422), (4, 5401711), (7, 3086692), (14, 1543346), (23, 939428), (28, 771673), (46, 469714), (49, 440956), (92, 234857), (98, 220478), (161, 134204), (196, 110239), (322, 67102), (644, 33551), (1127, 19172), (2254, 9586), (4508, 4793)]