21009546

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 47099520

約数和(自身を除く): 26089974

約数列:

[1, 2, 3, 6, 9, 18, 59, 73, 118, 146, 177, 219, 271, 354, 438, 531, 542, 657, 813, 1062, 1314, 1626, 2439, 4307, 4878, 8614, 12921, 15989, 19783, 25842, 31978, 38763, 39566, 47967, 59349, 77526, 95934, 118698, 143901, 178047, 287802, 356094, 1167197, 2334394, 3501591, 7003182, 10504773, 21009546]

約数ペア:

[(1, 21009546), (2, 10504773), (3, 7003182), (6, 3501591), (9, 2334394), (18, 1167197), (59, 356094), (73, 287802), (118, 178047), (146, 143901), (177, 118698), (219, 95934), (271, 77526), (354, 59349), (438, 47967), (531, 39566), (542, 38763), (657, 31978), (813, 25842), (1062, 19783), (1314, 15989), (1626, 12921), (2439, 8614), (4307, 4878)]