21470925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{40897}}^1$

素因数の和:40917

約数の個数: 24

約数和(自身を含む): 40570816

約数和(自身を除く): 19099891

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 40897, 122691, 204485, 286279, 613455, 858837, 1022425, 1431395, 3067275, 4294185, 7156975, 21470925]

約数ペア:

[(1, 21470925), (3, 7156975), (5, 4294185), (7, 3067275), (15, 1431395), (21, 1022425), (25, 858837), (35, 613455), (75, 286279), (105, 204485), (175, 122691), (525, 40897)]