21021066

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 52208640

約数和(自身を除く): 31187574

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 198, 258, 297, 387, 473, 594, 774, 823, 946, 1161, 1419, 1646, 2322, 2469, 2838, 4257, 4938, 7407, 8514, 9053, 12771, 14814, 18106, 22221, 25542, 27159, 35389, 44442, 54318, 70778, 81477, 106167, 162954, 212334, 244431, 318501, 389279, 488862, 637002, 778558, 955503, 1167837, 1911006, 2335674, 3503511, 7007022, 10510533, 21021066]

約数ペア:

[(1, 21021066), (2, 10510533), (3, 7007022), (6, 3503511), (9, 2335674), (11, 1911006), (18, 1167837), (22, 955503), (27, 778558), (33, 637002), (43, 488862), (54, 389279), (66, 318501), (86, 244431), (99, 212334), (129, 162954), (198, 106167), (258, 81477), (297, 70778), (387, 54318), (473, 44442), (594, 35389), (774, 27159), (823, 25542), (946, 22221), (1161, 18106), (1419, 14814), (1646, 12771), (2322, 9053), (2469, 8514), (2838, 7407), (4257, 4938)]