21037722196

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{2027}}^1\times {\mathrm{13171}}^1$

素因数の和:15399

約数の個数: 24

約数和(自身を含む): 37023962976

約数和(自身を除く): 15986240780

約数列:

[1, 2, 4, 197, 394, 788, 2027, 4054, 8108, 13171, 26342, 52684, 399319, 798638, 1597276, 2594687, 5189374, 10378748, 26697617, 53395234, 106790468, 5259430549, 10518861098, 21037722196]

約数ペア:

[(1, 21037722196), (2, 10518861098), (4, 5259430549), (197, 106790468), (394, 53395234), (788, 26697617), (2027, 10378748), (4054, 5189374), (8108, 2594687), (13171, 1597276), (26342, 798638), (52684, 399319)]