21548889

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{16981}}^1$

素因数の和:17037

約数の個数: 16

約数和(自身を含む): 32605440

約数和(自身を除く): 11056551

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 16981, 50943, 152829, 458487, 798107, 2394321, 7182963, 21548889]

約数ペア:

[(1, 21548889), (3, 7182963), (9, 2394321), (27, 798107), (47, 458487), (141, 152829), (423, 50943), (1269, 16981)]