21545656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244837}}^1$

素因数の和:244854

約数の個数: 16

約数和(自身を含む): 44070840

約数和(自身を除く): 22525184

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244837, 489674, 979348, 1958696, 2693207, 5386414, 10772828, 21545656]

約数ペア:

[(1, 21545656), (2, 10772828), (4, 5386414), (8, 2693207), (11, 1958696), (22, 979348), (44, 489674), (88, 244837)]