21596985

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3779}}^1$

素因数の和:3917

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 16142535

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 3779, 5715, 11337, 18895, 34011, 56685, 170055, 479933, 1439799, 2399665, 4319397, 7198995, 21596985]

約数ペア:

[(1, 21596985), (3, 7198995), (5, 4319397), (9, 2399665), (15, 1439799), (45, 479933), (127, 170055), (381, 56685), (635, 34011), (1143, 18895), (1905, 11337), (3779, 5715)]