21585608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{245291}}^1$

素因数の和:245308

約数の個数: 16

約数和(自身を含む): 44152560

約数和(自身を除く): 22566952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 245291, 490582, 981164, 1962328, 2698201, 5396402, 10792804, 21585608]

約数ペア:

[(1, 21585608), (2, 10792804), (4, 5396402), (8, 2698201), (11, 1962328), (22, 981164), (44, 490582), (88, 245291)]