21336453

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{1093}}^1$

素因数の和:1346

約数の個数: 20

約数和(自身を含む): 32034508

約数和(自身を除く): 10698055

約数列:

[1, 3, 9, 27, 81, 241, 723, 1093, 2169, 3279, 6507, 9837, 19521, 29511, 88533, 263413, 790239, 2370717, 7112151, 21336453]

約数ペア:

[(1, 21336453), (3, 7112151), (9, 2370717), (27, 790239), (81, 263413), (241, 88533), (723, 29511), (1093, 19521), (2169, 9837), (3279, 6507)]