21098258

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5693}}^1$

素因数の和:5821

約数の個数: 16

約数和(自身を含む): 33822360

約数和(自身を除く): 12724102

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5693, 11386, 96781, 193562, 620537, 1241074, 10549129, 21098258]

約数ペア:

[(1, 21098258), (2, 10549129), (17, 1241074), (34, 620537), (109, 193562), (218, 96781), (1853, 11386), (3706, 5693)]