21246821

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 2392219

約数列:

[1, 17, 29, 71, 493, 607, 1207, 2059, 10319, 17603, 35003, 43097, 299251, 732649, 1249813, 21246821]

約数ペア:

[(1, 21246821), (17, 1249813), (29, 732649), (71, 299251), (493, 43097), (607, 35003), (1207, 17603), (2059, 10319)]