21349192

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65089}}^1$

素因数の和:65136

約数の個数: 16

約数和(自身を含む): 41006700

約数和(自身を除く): 19657508

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65089, 130178, 260356, 520712, 2668649, 5337298, 10674596, 21349192]

約数ペア:

[(1, 21349192), (2, 10674596), (4, 5337298), (8, 2668649), (41, 520712), (82, 260356), (164, 130178), (328, 65089)]