21752188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{661}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 40223120

約数和(自身を除く): 18470932

約数列:

[1, 2, 4, 19, 38, 76, 433, 661, 866, 1322, 1732, 2644, 8227, 12559, 16454, 25118, 32908, 50236, 286213, 572426, 1144852, 5438047, 10876094, 21752188]

約数ペア:

[(1, 21752188), (2, 10876094), (4, 5438047), (19, 1144852), (38, 572426), (76, 286213), (433, 50236), (661, 32908), (866, 25118), (1322, 16454), (1732, 12559), (2644, 8227)]