21019119

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{1471}}^1$

素因数の和:1918

約数の個数: 16

約数和(自身を含む): 30664704

約数和(自身を除く): 9645585

約数列:

[1, 3, 11, 33, 433, 1299, 1471, 4413, 4763, 14289, 16181, 48543, 636943, 1910829, 7006373, 21019119]

約数ペア:

[(1, 21019119), (3, 7006373), (11, 1910829), (33, 636943), (433, 48543), (1299, 16181), (1471, 14289), (4413, 4763)]