21350484

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5441}}^1$

素因数の和:5560

約数の個数: 36

約数和(自身を含む): 54474420

約数和(自身を除く): 33123936

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5441, 10882, 16323, 21764, 32646, 48969, 65292, 97938, 195876, 593069, 1186138, 1779207, 2372276, 3558414, 5337621, 7116828, 10675242, 21350484]

約数ペア:

[(1, 21350484), (2, 10675242), (3, 7116828), (4, 5337621), (6, 3558414), (9, 2372276), (12, 1779207), (18, 1186138), (36, 593069), (109, 195876), (218, 97938), (327, 65292), (436, 48969), (654, 32646), (981, 21764), (1308, 16323), (1962, 10882), (3924, 5441)]