21081405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{48463}}^1$

素因数の和:48500

約数の個数: 16

約数和(自身を含む): 34894080

約数和(自身を除く): 13812675

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 48463, 145389, 242315, 726945, 1405427, 4216281, 7027135, 21081405]

約数ペア:

[(1, 21081405), (3, 7027135), (5, 4216281), (15, 1405427), (29, 726945), (87, 242315), (145, 145389), (435, 48463)]