21151064

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240353}}^1$

素因数の和:240370

約数の個数: 16

約数和(自身を含む): 43263720

約数和(自身を除く): 22112656

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240353, 480706, 961412, 1922824, 2643883, 5287766, 10575532, 21151064]

約数ペア:

[(1, 21151064), (2, 10575532), (4, 5287766), (8, 2643883), (11, 1922824), (22, 961412), (44, 480706), (88, 240353)]