21516586

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16889}}^1$

素因数の和:16918

約数の個数: 24

約数和(自身を含む): 40434660

約数和(自身を除く): 18918074

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16889, 33778, 118223, 219557, 236446, 439114, 827561, 1536899, 1655122, 3073798, 10758293, 21516586]

約数ペア:

[(1, 21516586), (2, 10758293), (7, 3073798), (13, 1655122), (14, 1536899), (26, 827561), (49, 439114), (91, 236446), (98, 219557), (182, 118223), (637, 33778), (1274, 16889)]