21338383

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2153}}^1$

素因数の和:2234

約数の個数: 16

約数和(自身を含む): 25124256

約数和(自身を除く): 3785873

約数列:

[1, 11, 17, 53, 187, 583, 901, 2153, 9911, 23683, 36601, 114109, 402611, 1255199, 1939853, 21338383]

約数ペア:

[(1, 21338383), (11, 1939853), (17, 1255199), (53, 402611), (187, 114109), (583, 36601), (901, 23683), (2153, 9911)]