21993884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1597}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 42148848

約数和(自身を除く): 20154964

約数列:

[1, 2, 4, 11, 22, 44, 313, 626, 1252, 1597, 3194, 3443, 6388, 6886, 13772, 17567, 35134, 70268, 499861, 999722, 1999444, 5498471, 10996942, 21993884]

約数ペア:

[(1, 21993884), (2, 10996942), (4, 5498471), (11, 1999444), (22, 999722), (44, 499861), (313, 70268), (626, 35134), (1252, 17567), (1597, 13772), (3194, 6886), (3443, 6388)]