21788724

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{34259}}^1$

素因数の和:34319

約数の個数: 24

約数和(自身を含む): 51801120

約数和(自身を除く): 30012396

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 34259, 68518, 102777, 137036, 205554, 411108, 1815727, 3631454, 5447181, 7262908, 10894362, 21788724]

約数ペア:

[(1, 21788724), (2, 10894362), (3, 7262908), (4, 5447181), (6, 3631454), (12, 1815727), (53, 411108), (106, 205554), (159, 137036), (212, 102777), (318, 68518), (636, 34259)]