21770298

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2619

約数の個数: 48

約数和(自身を含む): 52674336

約数和(自身を除く): 30904038

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 198, 258, 387, 473, 774, 946, 1419, 2557, 2838, 4257, 5114, 7671, 8514, 15342, 23013, 28127, 46026, 56254, 84381, 109951, 168762, 219902, 253143, 329853, 506286, 659706, 989559, 1209461, 1979118, 2418922, 3628383, 7256766, 10885149, 21770298]

約数ペア:

[(1, 21770298), (2, 10885149), (3, 7256766), (6, 3628383), (9, 2418922), (11, 1979118), (18, 1209461), (22, 989559), (33, 659706), (43, 506286), (66, 329853), (86, 253143), (99, 219902), (129, 168762), (198, 109951), (258, 84381), (387, 56254), (473, 46026), (774, 28127), (946, 23013), (1419, 15342), (2557, 8514), (2838, 7671), (4257, 5114)]