21062002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18839}}^1$

素因数の和:18897

約数の個数: 16

約数和(自身を含む): 34816320

約数和(自身を除く): 13754318

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18839, 37678, 244907, 489814, 810077, 1620154, 10531001, 21062002]

約数ペア:

[(1, 21062002), (2, 10531001), (13, 1620154), (26, 810077), (43, 489814), (86, 244907), (559, 37678), (1118, 18839)]