21236111

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 24371424

約数和(自身を除く): 3135313

約数列:

[1, 13, 17, 221, 307, 313, 3991, 4069, 5219, 5321, 67847, 69173, 96091, 1249183, 1633547, 21236111]

約数ペア:

[(1, 21236111), (13, 1633547), (17, 1249183), (221, 96091), (307, 69173), (313, 67847), (3991, 5321), (4069, 5219)]