21568162

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140053}}^1$

素因数の和:140073

約数の個数: 16

約数和(自身を含む): 40335552

約数和(自身を除く): 18767390

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 140053, 280106, 980371, 1540583, 1960742, 3081166, 10784081, 21568162]

約数ペア:

[(1, 21568162), (2, 10784081), (7, 3081166), (11, 1960742), (14, 1540583), (22, 980371), (77, 280106), (154, 140053)]