21000422716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57693469}}^1$

素因数の和:57693493

約数の個数: 24

約数和(自身を含む): 45231680480

約数和(自身を除く): 24231257764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57693469, 115386938, 230773876, 403854283, 750015097, 807708566, 1500030194, 1615417132, 3000060388, 5250105679, 10500211358, 21000422716]

約数ペア:

[(1, 21000422716), (2, 10500211358), (4, 5250105679), (7, 3000060388), (13, 1615417132), (14, 1500030194), (26, 807708566), (28, 750015097), (52, 403854283), (91, 230773876), (182, 115386938), (364, 57693469)]