21321663

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1439}}^1$

素因数の和:1902

約数の個数: 16

約数和(自身を含む): 31104000

約数和(自身を除く): 9782337

約数列:

[1, 3, 11, 33, 449, 1347, 1439, 4317, 4939, 14817, 15829, 47487, 646111, 1938333, 7107221, 21321663]

約数ペア:

[(1, 21321663), (3, 7107221), (11, 1938333), (33, 646111), (449, 47487), (1347, 15829), (1439, 14817), (4317, 4939)]