21815028

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2767}}^1$

素因数の和:2853

約数の個数: 48

約数和(自身を含む): 57352960

約数和(自身を除く): 35537932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2628, 2767, 3942, 5534, 7884, 8301, 11068, 16602, 24903, 33204, 49806, 74709, 99612, 149418, 201991, 298836, 403982, 605973, 807964, 1211946, 1817919, 2423892, 3635838, 5453757, 7271676, 10907514, 21815028]

約数ペア:

[(1, 21815028), (2, 10907514), (3, 7271676), (4, 5453757), (6, 3635838), (9, 2423892), (12, 1817919), (18, 1211946), (27, 807964), (36, 605973), (54, 403982), (73, 298836), (108, 201991), (146, 149418), (219, 99612), (292, 74709), (438, 49806), (657, 33204), (876, 24903), (1314, 16602), (1971, 11068), (2628, 8301), (2767, 7884), (3942, 5534)]