21044240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37579}}^1$

素因数の和:37599

約数の個数: 40

約数和(自身を含む): 55919040

約数和(自身を除く): 34874800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37579, 75158, 150316, 187895, 263053, 300632, 375790, 526106, 601264, 751580, 1052212, 1315265, 1503160, 2104424, 2630530, 3006320, 4208848, 5261060, 10522120, 21044240]

約数ペア:

[(1, 21044240), (2, 10522120), (4, 5261060), (5, 4208848), (7, 3006320), (8, 2630530), (10, 2104424), (14, 1503160), (16, 1315265), (20, 1052212), (28, 751580), (35, 601264), (40, 526106), (56, 375790), (70, 300632), (80, 263053), (112, 187895), (140, 150316), (280, 75158), (560, 37579)]