21424527

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{16883}}^1$

素因数の和:16939

約数の個数: 16

約数和(自身を含む): 32417280

約数和(自身を除く): 10992753

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 16883, 50649, 151947, 455841, 793501, 2380503, 7141509, 21424527]

約数ペア:

[(1, 21424527), (3, 7141509), (9, 2380503), (27, 793501), (47, 455841), (141, 151947), (423, 50649), (1269, 16883)]