21694764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19867}}^1$

素因数の和:19894

約数の個数: 48

約数和(自身を含む): 62306048

約数和(自身を除く): 40611284

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, 19867, 39734, 59601, 79468, 119202, 139069, 238404, 258271, 278138, 417207, 516542, 556276, 774813, 834414, 1033084, 1549626, 1668828, 1807897, 3099252, 3615794, 5423691, 7231588, 10847382, 21694764]

約数ペア:

[(1, 21694764), (2, 10847382), (3, 7231588), (4, 5423691), (6, 3615794), (7, 3099252), (12, 1807897), (13, 1668828), (14, 1549626), (21, 1033084), (26, 834414), (28, 774813), (39, 556276), (42, 516542), (52, 417207), (78, 278138), (84, 258271), (91, 238404), (156, 139069), (182, 119202), (273, 79468), (364, 59601), (546, 39734), (1092, 19867)]