21650268

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1669}}^1$

素因数の和:1746

約数の個数: 48

約数和(自身を含む): 53867520

約数和(自身を除く): 32217252

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 1669, 2162, 3243, 3338, 4324, 5007, 6486, 6676, 10014, 12972, 20028, 38387, 76774, 78443, 115161, 153548, 156886, 230322, 235329, 313772, 460644, 470658, 941316, 1804189, 3608378, 5412567, 7216756, 10825134, 21650268]

約数ペア:

[(1, 21650268), (2, 10825134), (3, 7216756), (4, 5412567), (6, 3608378), (12, 1804189), (23, 941316), (46, 470658), (47, 460644), (69, 313772), (92, 235329), (94, 230322), (138, 156886), (141, 153548), (188, 115161), (276, 78443), (282, 76774), (564, 38387), (1081, 20028), (1669, 12972), (2162, 10014), (3243, 6676), (3338, 6486), (4324, 5007)]