21008118

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{52259}}^1$

素因数の和:52331

約数の個数: 16

約数和(自身を含む): 42644160

約数和(自身を除く): 21636042

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 52259, 104518, 156777, 313554, 3501353, 7002706, 10504059, 21008118]

約数ペア:

[(1, 21008118), (2, 10504059), (3, 7002706), (6, 3501353), (67, 313554), (134, 156777), (201, 104518), (402, 52259)]