21987484016

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47386819}}^1$

素因数の和:47386856

約数の個数: 20

約数和(自身を含む): 44069742600

約数和(自身を除く): 22082258584

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 47386819, 94773638, 189547276, 379094552, 758189104, 1374217751, 2748435502, 5496871004, 10993742008, 21987484016]

約数ペア:

[(1, 21987484016), (2, 10993742008), (4, 5496871004), (8, 2748435502), (16, 1374217751), (29, 758189104), (58, 379094552), (116, 189547276), (232, 94773638), (464, 47386819)]