21605523076

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{5903}}^1\times {\mathrm{6679}}^1$

素因数の和:12723

約数の個数: 24

約数和(自身を含む): 38097803520

約数和(自身を除く): 16492280444

約数列:

[1, 2, 4, 137, 274, 548, 5903, 6679, 11806, 13358, 23612, 26716, 808711, 915023, 1617422, 1830046, 3234844, 3660092, 39426137, 78852274, 157704548, 5401380769, 10802761538, 21605523076]

約数ペア:

[(1, 21605523076), (2, 10802761538), (4, 5401380769), (137, 157704548), (274, 78852274), (548, 39426137), (5903, 3660092), (6679, 3234844), (11806, 1830046), (13358, 1617422), (23612, 915023), (26716, 808711)]