21649823

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{601}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 24879456

約数和(自身を除く): 3229633

約数列:

[1, 13, 17, 163, 221, 601, 2119, 2771, 7813, 10217, 36023, 97963, 132821, 1273519, 1665371, 21649823]

約数ペア:

[(1, 21649823), (13, 1665371), (17, 1273519), (163, 132821), (221, 97963), (601, 36023), (2119, 10217), (2771, 7813)]