21297156987

素因数分解:

$3^1\times {\mathrm{823}}^1\times {\mathrm{1699}}^1\times {\mathrm{5077}}^1$

素因数の和:7602

約数の個数: 16

約数和(自身を含む): 28453049600

約数和(自身を除く): 7155892613

約数列:

[1, 3, 823, 1699, 2469, 5077, 5097, 15231, 1398277, 4178371, 4194831, 8625823, 12535113, 25877469, 7099052329, 21297156987]

約数ペア:

[(1, 21297156987), (3, 7099052329), (823, 25877469), (1699, 12535113), (2469, 8625823), (5077, 4194831), (5097, 4178371), (15231, 1398277)]