21788897116

素因数分解:

$2^2\times 7^1\times {\mathrm{2551}}^1\times {\mathrm{305047}}^1$

素因数の和:307609

約数の個数: 24

約数和(自身を含む): 43595019776

約数和(自身を除く): 21806122660

約数列:

[1, 2, 4, 7, 14, 28, 2551, 5102, 10204, 17857, 35714, 71428, 305047, 610094, 1220188, 2135329, 4270658, 8541316, 778174897, 1556349794, 3112699588, 5447224279, 10894448558, 21788897116]

約数ペア:

[(1, 21788897116), (2, 10894448558), (4, 5447224279), (7, 3112699588), (14, 1556349794), (28, 778174897), (2551, 8541316), (5102, 4270658), (10204, 2135329), (17857, 1220188), (35714, 610094), (71428, 305047)]