21261064

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{241603}}^1$

素因数の和:241620

約数の個数: 16

約数和(自身を含む): 43488720

約数和(自身を除く): 22227656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 241603, 483206, 966412, 1932824, 2657633, 5315266, 10630532, 21261064]

約数ペア:

[(1, 21261064), (2, 10630532), (4, 5315266), (8, 2657633), (11, 1932824), (22, 966412), (44, 483206), (88, 241603)]