21236105

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{3191}}^1$

素因数の和:3229

約数の個数: 16

約数和(自身を含む): 28038528

約数和(自身を除く): 6802423

約数列:

[1, 5, 11, 55, 121, 605, 1331, 3191, 6655, 15955, 35101, 175505, 386111, 1930555, 4247221, 21236105]

約数ペア:

[(1, 21236105), (5, 4247221), (11, 1930555), (55, 386111), (121, 175505), (605, 35101), (1331, 15955), (3191, 6655)]