21960774

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{3361}}^1$

素因数の和:3394

約数の個数: 48

約数和(自身を含む): 53657520

約数和(自身を除く): 31696746

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 121, 198, 242, 297, 363, 594, 726, 1089, 2178, 3267, 3361, 6534, 6722, 10083, 20166, 30249, 36971, 60498, 73942, 90747, 110913, 181494, 221826, 332739, 406681, 665478, 813362, 998217, 1220043, 1996434, 2440086, 3660129, 7320258, 10980387, 21960774]

約数ペア:

[(1, 21960774), (2, 10980387), (3, 7320258), (6, 3660129), (9, 2440086), (11, 1996434), (18, 1220043), (22, 998217), (27, 813362), (33, 665478), (54, 406681), (66, 332739), (99, 221826), (121, 181494), (198, 110913), (242, 90747), (297, 73942), (363, 60498), (594, 36971), (726, 30249), (1089, 20166), (2178, 10083), (3267, 6722), (3361, 6534)]