21481161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4337}}^1$

素因数の和:4480

約数の個数: 16

約数和(自身を含む): 31094784

約数和(自身を除く): 9613623

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4337, 4953, 13011, 56381, 169143, 550799, 1652397, 7160387, 21481161]

約数ペア:

[(1, 21481161), (3, 7160387), (13, 1652397), (39, 550799), (127, 169143), (381, 56381), (1651, 13011), (4337, 4953)]