21055122

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2473}}^1$

素因数の和:2535

約数の個数: 48

約数和(自身を含む): 50944608

約数和(自身を除く): 29889486

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 198, 258, 387, 473, 774, 946, 1419, 2473, 2838, 4257, 4946, 7419, 8514, 14838, 22257, 27203, 44514, 54406, 81609, 106339, 163218, 212678, 244827, 319017, 489654, 638034, 957051, 1169729, 1914102, 2339458, 3509187, 7018374, 10527561, 21055122]

約数ペア:

[(1, 21055122), (2, 10527561), (3, 7018374), (6, 3509187), (9, 2339458), (11, 1914102), (18, 1169729), (22, 957051), (33, 638034), (43, 489654), (66, 319017), (86, 244827), (99, 212678), (129, 163218), (198, 106339), (258, 81609), (387, 54406), (473, 44514), (774, 27203), (946, 22257), (1419, 14838), (2473, 8514), (2838, 7419), (4257, 4946)]