21050552004

素因数分解:

$2^2\times 3^1\times {\mathrm{643}}^1\times {\mathrm{2728169}}^1$

素因数の和:2728819

約数の個数: 24

約数和(自身を含む): 49194361440

約数和(自身を除く): 28143809436

約数列:

[1, 2, 3, 4, 6, 12, 643, 1286, 1929, 2572, 3858, 7716, 2728169, 5456338, 8184507, 10912676, 16369014, 32738028, 1754212667, 3508425334, 5262638001, 7016850668, 10525276002, 21050552004]

約数ペア:

[(1, 21050552004), (2, 10525276002), (3, 7016850668), (4, 5262638001), (6, 3508425334), (12, 1754212667), (643, 32738028), (1286, 16369014), (1929, 10912676), (2572, 8184507), (3858, 5456338), (7716, 2728169)]