21099402

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1823}}^1$

素因数の和:2474

約数の個数: 24

約数和(自身を含む): 45811584

約数和(自身を除く): 24712182

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1823, 1929, 3646, 3858, 5469, 5787, 10938, 11574, 16407, 32814, 1172189, 2344378, 3516567, 7033134, 10549701, 21099402]

約数ペア:

[(1, 21099402), (2, 10549701), (3, 7033134), (6, 3516567), (9, 2344378), (18, 1172189), (643, 32814), (1286, 16407), (1823, 11574), (1929, 10938), (3646, 5787), (3858, 5469)]