21688212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19861}}^1$

素因数の和:19888

約数の個数: 48

約数和(自身を含む): 62287232

約数和(自身を除く): 40599020

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19861, 39722, 59583, 79444, 119166, 139027, 238332, 258193, 278054, 417081, 516386, 556108, 774579, 834162, 1032772, 1549158, 1668324, 1807351, 3098316, 3614702, 5422053, 7229404, 10844106, 21688212]

約数ペア:

[(1, 21688212), (2, 10844106), (3, 7229404), (4, 5422053), (6, 3614702), (7, 3098316), (12, 1807351), (13, 1668324), (14, 1549158), (21, 1032772), (26, 834162), (28, 774579), (39, 556108), (42, 516386), (52, 417081), (78, 278054), (84, 258193), (91, 238332), (156, 139027), (182, 119166), (273, 79444), (364, 59583), (546, 39722), (1092, 19861)]