21515274

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1300

約数の個数: 64

約数和(自身を含む): 54000000

約数和(自身を除く): 32484726

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 54, 58, 66, 87, 99, 174, 198, 261, 297, 319, 522, 594, 638, 783, 957, 1249, 1566, 1914, 2498, 2871, 3747, 5742, 7494, 8613, 11241, 13739, 17226, 22482, 27478, 33723, 36221, 41217, 67446, 72442, 82434, 108663, 123651, 217326, 247302, 325989, 370953, 398431, 651978, 741906, 796862, 977967, 1195293, 1955934, 2390586, 3585879, 7171758, 10757637, 21515274]

約数ペア:

[(1, 21515274), (2, 10757637), (3, 7171758), (6, 3585879), (9, 2390586), (11, 1955934), (18, 1195293), (22, 977967), (27, 796862), (29, 741906), (33, 651978), (54, 398431), (58, 370953), (66, 325989), (87, 247302), (99, 217326), (174, 123651), (198, 108663), (261, 82434), (297, 72442), (319, 67446), (522, 41217), (594, 36221), (638, 33723), (783, 27478), (957, 22482), (1249, 17226), (1566, 13739), (1914, 11241), (2498, 8613), (2871, 7494), (3747, 5742)]