21518556

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16759}}^1$

素因数の和:16873

約数の個数: 24

約数和(自身を含む): 50682240

約数和(自身を除く): 29163684

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16759, 33518, 50277, 67036, 100554, 201108, 1793213, 3586426, 5379639, 7172852, 10759278, 21518556]

約数ペア:

[(1, 21518556), (2, 10759278), (3, 7172852), (4, 5379639), (6, 3586426), (12, 1793213), (107, 201108), (214, 100554), (321, 67036), (428, 50277), (642, 33518), (1284, 16759)]