21000859179

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{2377}}^1\times {\mathrm{41479}}^1$

素因数の和:43930

約数の個数: 16

約数和(自身を含む): 28408158720

約数和(自身を除く): 7407299541

約数列:

[1, 3, 71, 213, 2377, 7131, 41479, 124437, 168767, 506301, 2945009, 8835027, 98595583, 295786749, 7000286393, 21000859179]

約数ペア:

[(1, 21000859179), (3, 7000286393), (71, 295786749), (213, 98595583), (2377, 8835027), (7131, 2945009), (41479, 506301), (124437, 168767)]