21560504

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2939}}^1$

素因数の和:3083

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25009096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2939, 3668, 5878, 7336, 11756, 20573, 23512, 41146, 82292, 164584, 385009, 770018, 1540036, 2695063, 3080072, 5390126, 10780252, 21560504]

約数ペア:

[(1, 21560504), (2, 10780252), (4, 5390126), (7, 3080072), (8, 2695063), (14, 1540036), (28, 770018), (56, 385009), (131, 164584), (262, 82292), (524, 41146), (917, 23512), (1048, 20573), (1834, 11756), (2939, 7336), (3668, 5878)]