21804442

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{8191}}^1$

素因数の和:8226

約数の個数: 16

約数和(自身を含む): 35979264

約数和(自身を除く): 14174822

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 8191, 16382, 90101, 180202, 991111, 1982222, 10902221, 21804442]

約数ペア:

[(1, 21804442), (2, 10902221), (11, 1982222), (22, 991111), (121, 180202), (242, 90101), (1331, 16382), (2662, 8191)]