20210994

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^2$

素因数の和:539

約数の個数: 36

約数和(自身を含む): 46547514

約数和(自身を除く): 26336520

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 257, 306, 514, 771, 1542, 2313, 4369, 4626, 8738, 13107, 26214, 39321, 66049, 78642, 132098, 198147, 396294, 594441, 1122833, 1188882, 2245666, 3368499, 6736998, 10105497, 20210994]

約数ペア:

[(1, 20210994), (2, 10105497), (3, 6736998), (6, 3368499), (9, 2245666), (17, 1188882), (18, 1122833), (34, 594441), (51, 396294), (102, 198147), (153, 132098), (257, 78642), (306, 66049), (514, 39321), (771, 26214), (1542, 13107), (2313, 8738), (4369, 4626)]