21163396

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1733}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 38453184

約数和(自身を除く): 17289788

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 1733, 3053, 3466, 6106, 6932, 12212, 74519, 123043, 149038, 246086, 298076, 492172, 5290849, 10581698, 21163396]

約数ペア:

[(1, 21163396), (2, 10581698), (4, 5290849), (43, 492172), (71, 298076), (86, 246086), (142, 149038), (172, 123043), (284, 74519), (1733, 12212), (3053, 6932), (3466, 6106)]