21004833

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 28828800

約数和(自身を除く): 7823967

約数列:

[1, 3, 41, 123, 389, 439, 1167, 1317, 15949, 17999, 47847, 53997, 170771, 512313, 7001611, 21004833]

約数ペア:

[(1, 21004833), (3, 7001611), (41, 512313), (123, 170771), (389, 53997), (439, 47847), (1167, 17999), (1317, 15949)]