21359778

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{14071}}^1$

素因数の和:14110

約数の個数: 32

約数和(自身を含む): 48632832

約数和(自身を除く): 27273054

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 14071, 28142, 42213, 84426, 154781, 309562, 323633, 464343, 647266, 928686, 970899, 1941798, 3559963, 7119926, 10679889, 21359778]

約数ペア:

[(1, 21359778), (2, 10679889), (3, 7119926), (6, 3559963), (11, 1941798), (22, 970899), (23, 928686), (33, 647266), (46, 464343), (66, 323633), (69, 309562), (138, 154781), (253, 84426), (506, 42213), (759, 28142), (1518, 14071)]