21973490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28537}}^1$

素因数の和:28562

約数の個数: 32

約数和(自身を含む): 49313664

約数和(自身を除く): 27340174

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 28537, 57074, 142685, 199759, 285370, 313907, 399518, 627814, 998795, 1569535, 1997590, 2197349, 3139070, 4394698, 10986745, 21973490]

約数ペア:

[(1, 21973490), (2, 10986745), (5, 4394698), (7, 3139070), (10, 2197349), (11, 1997590), (14, 1569535), (22, 998795), (35, 627814), (55, 399518), (70, 313907), (77, 285370), (110, 199759), (154, 142685), (385, 57074), (770, 28537)]