21774918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 48550320

約数和(自身を除く): 26775402

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 121, 178, 242, 267, 337, 363, 534, 674, 726, 979, 1011, 1958, 2022, 2937, 3707, 5874, 7414, 10769, 11121, 21538, 22242, 29993, 32307, 40777, 59986, 64614, 81554, 89979, 122331, 179958, 244662, 329923, 659846, 989769, 1979538, 3629153, 7258306, 10887459, 21774918]

約数ペア:

[(1, 21774918), (2, 10887459), (3, 7258306), (6, 3629153), (11, 1979538), (22, 989769), (33, 659846), (66, 329923), (89, 244662), (121, 179958), (178, 122331), (242, 89979), (267, 81554), (337, 64614), (363, 59986), (534, 40777), (674, 32307), (726, 29993), (979, 22242), (1011, 21538), (1958, 11121), (2022, 10769), (2937, 7414), (3707, 5874)]