21092918

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4723}}^1$

素因数の和:4772

約数の個数: 32

約数和(自身を含む): 40815360

約数和(自身を除く): 19722442

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4466, 4723, 9446, 33061, 51953, 66122, 103906, 136967, 273934, 363671, 727342, 958769, 1506637, 1917538, 3013274, 10546459, 21092918]

約数ペア:

[(1, 21092918), (2, 10546459), (7, 3013274), (11, 1917538), (14, 1506637), (22, 958769), (29, 727342), (58, 363671), (77, 273934), (154, 136967), (203, 103906), (319, 66122), (406, 51953), (638, 33061), (2233, 9446), (4466, 4723)]