21412237

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 6973043

約数列:

[1, 7, 11, 29, 43, 77, 203, 223, 301, 319, 473, 1247, 1561, 2233, 2453, 3311, 6467, 8729, 9589, 13717, 17171, 45269, 67123, 71137, 96019, 105479, 278081, 497959, 738353, 1946567, 3058891, 21412237]

約数ペア:

[(1, 21412237), (7, 3058891), (11, 1946567), (29, 738353), (43, 497959), (77, 278081), (203, 105479), (223, 96019), (301, 71137), (319, 67123), (473, 45269), (1247, 17171), (1561, 13717), (2233, 9589), (2453, 8729), (3311, 6467)]