21481471

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 24634368

約数和(自身を除く): 3152897

約数列:

[1, 11, 23, 197, 253, 431, 2167, 4531, 4741, 9913, 49841, 84907, 109043, 933977, 1952861, 21481471]

約数ペア:

[(1, 21481471), (11, 1952861), (23, 933977), (197, 109043), (253, 84907), (431, 49841), (2167, 9913), (4531, 4741)]