21105108

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5479}}^1$

素因数の和:5596

約数の個数: 36

約数和(自身を含む): 53857440

約数和(自身を除く): 32752332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5479, 10958, 16437, 21916, 32874, 49311, 65748, 98622, 197244, 586253, 1172506, 1758759, 2345012, 3517518, 5276277, 7035036, 10552554, 21105108]

約数ペア:

[(1, 21105108), (2, 10552554), (3, 7035036), (4, 5276277), (6, 3517518), (9, 2345012), (12, 1758759), (18, 1172506), (36, 586253), (107, 197244), (214, 98622), (321, 65748), (428, 49311), (642, 32874), (963, 21916), (1284, 16437), (1926, 10958), (3852, 5479)]