21382548

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7043}}^1$

素因数の和:7084

約数の個数: 48

約数和(自身を含む): 56802816

約数和(自身を除く): 35420268

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 1012, 1518, 3036, 7043, 14086, 21129, 28172, 42258, 77473, 84516, 154946, 161989, 232419, 309892, 323978, 464838, 485967, 647956, 929676, 971934, 1781879, 1943868, 3563758, 5345637, 7127516, 10691274, 21382548]

約数ペア:

[(1, 21382548), (2, 10691274), (3, 7127516), (4, 5345637), (6, 3563758), (11, 1943868), (12, 1781879), (22, 971934), (23, 929676), (33, 647956), (44, 485967), (46, 464838), (66, 323978), (69, 309892), (92, 232419), (132, 161989), (138, 154946), (253, 84516), (276, 77473), (506, 42258), (759, 28172), (1012, 21129), (1518, 14086), (3036, 7043)]