21348782

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2861}}^1$

素因数の和:2924

約数の個数: 32

約数和(自身を含む): 40388544

約数和(自身を除く): 19039762

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 2861, 3731, 5722, 7462, 20027, 37193, 40054, 74386, 117301, 234602, 260351, 520702, 821107, 1524913, 1642214, 3049826, 10674391, 21348782]

約数ペア:

[(1, 21348782), (2, 10674391), (7, 3049826), (13, 1642214), (14, 1524913), (26, 821107), (41, 520702), (82, 260351), (91, 234602), (182, 117301), (287, 74386), (533, 40054), (574, 37193), (1066, 20027), (2861, 7462), (3731, 5722)]