21655024

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10657}}^1$

素因数の和:10792

約数の個数: 20

約数和(自身を含む): 42290944

約数和(自身を除く): 20635920

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10657, 21314, 42628, 85256, 170512, 1353439, 2706878, 5413756, 10827512, 21655024]

約数ペア:

[(1, 21655024), (2, 10827512), (4, 5413756), (8, 2706878), (16, 1353439), (127, 170512), (254, 85256), (508, 42628), (1016, 21314), (2032, 10657)]