21971548

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{3137}}^1$

素因数の和:3261

約数の個数: 24

約数和(自身を含む): 41120352

約数和(自身を除く): 19148804

約数列:

[1, 2, 4, 17, 34, 68, 103, 206, 412, 1751, 3137, 3502, 6274, 7004, 12548, 53329, 106658, 213316, 323111, 646222, 1292444, 5492887, 10985774, 21971548]

約数ペア:

[(1, 21971548), (2, 10985774), (4, 5492887), (17, 1292444), (34, 646222), (68, 323111), (103, 213316), (206, 106658), (412, 53329), (1751, 12548), (3137, 7004), (3502, 6274)]