21753761

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 23794560

約数和(自身を除く): 2040799

約数列:

[1, 17, 67, 71, 269, 1139, 1207, 4573, 4757, 18023, 19099, 80869, 306391, 324683, 1279633, 21753761]

約数ペア:

[(1, 21753761), (17, 1279633), (67, 324683), (71, 306391), (269, 80869), (1139, 19099), (1207, 18023), (4573, 4757)]