21742236

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5441}}^1$

素因数の和:5491

約数の個数: 48

約数和(自身を含む): 57902880

約数和(自身を除く): 36160644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5441, 10882, 16323, 21764, 32646, 48969, 65292, 97938, 146907, 195876, 201317, 293814, 402634, 587628, 603951, 805268, 1207902, 1811853, 2415804, 3623706, 5435559, 7247412, 10871118, 21742236]

約数ペア:

[(1, 21742236), (2, 10871118), (3, 7247412), (4, 5435559), (6, 3623706), (9, 2415804), (12, 1811853), (18, 1207902), (27, 805268), (36, 603951), (37, 587628), (54, 402634), (74, 293814), (108, 201317), (111, 195876), (148, 146907), (222, 97938), (333, 65292), (444, 48969), (666, 32646), (999, 21764), (1332, 16323), (1998, 10882), (3996, 5441)]