21255564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{569}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 54391680

約数和(自身を除く): 33136116

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 283, 566, 569, 849, 1132, 1138, 1698, 1707, 2276, 3113, 3396, 3414, 6226, 6259, 6828, 9339, 12452, 12518, 18678, 18777, 25036, 37356, 37554, 75108, 161027, 322054, 483081, 644108, 966162, 1771297, 1932324, 3542594, 5313891, 7085188, 10627782, 21255564]

約数ペア:

[(1, 21255564), (2, 10627782), (3, 7085188), (4, 5313891), (6, 3542594), (11, 1932324), (12, 1771297), (22, 966162), (33, 644108), (44, 483081), (66, 322054), (132, 161027), (283, 75108), (566, 37554), (569, 37356), (849, 25036), (1132, 18777), (1138, 18678), (1698, 12518), (1707, 12452), (2276, 9339), (3113, 6828), (3396, 6259), (3414, 6226)]