21919053

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7699}}^1$

素因数の和:7788

約数の個数: 16

約数和(自身を含む): 31908800

約数和(自身を除く): 9989747

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7699, 23097, 100087, 300261, 562027, 1686081, 7306351, 21919053]

約数ペア:

[(1, 21919053), (3, 7306351), (13, 1686081), (39, 562027), (73, 300261), (219, 100087), (949, 23097), (2847, 7699)]