21114189

素因数分解:

$3^4\times {\mathrm{463}}^1\times {\mathrm{563}}^1$

素因数の和:1038

約数の個数: 20

約数和(自身を含む): 31665216

約数和(自身を除く): 10551027

約数列:

[1, 3, 9, 27, 81, 463, 563, 1389, 1689, 4167, 5067, 12501, 15201, 37503, 45603, 260669, 782007, 2346021, 7038063, 21114189]

約数ペア:

[(1, 21114189), (3, 7038063), (9, 2346021), (27, 782007), (81, 260669), (463, 45603), (563, 37503), (1389, 15201), (1689, 12501), (4167, 5067)]