21478506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12473}}^1$

素因数の和:12526

約数の個数: 32

約数和(自身を含む): 50295168

約数和(自身を除く): 28816662

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 12473, 24946, 37419, 74838, 87311, 174622, 261933, 511393, 523866, 1022786, 1534179, 3068358, 3579751, 7159502, 10739253, 21478506]

約数ペア:

[(1, 21478506), (2, 10739253), (3, 7159502), (6, 3579751), (7, 3068358), (14, 1534179), (21, 1022786), (41, 523866), (42, 511393), (82, 261933), (123, 174622), (246, 87311), (287, 74838), (574, 37419), (861, 24946), (1722, 12473)]