21571143

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1489}}^1$

素因数の和:1942

約数の個数: 16

約数和(自身を含む): 31468800

約数和(自身を除く): 9897657

約数列:

[1, 3, 11, 33, 439, 1317, 1489, 4467, 4829, 14487, 16379, 49137, 653671, 1961013, 7190381, 21571143]

約数ペア:

[(1, 21571143), (3, 7190381), (11, 1961013), (33, 653671), (439, 49137), (1317, 16379), (1489, 14487), (4467, 4829)]