210917245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{23819}}^1$

素因数の和:23865

約数の個数: 32

約数和(自身を含む): 329287680

約数和(自身を除く): 118370435

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 23819, 119095, 166733, 262009, 547837, 833665, 1310045, 1834063, 2739185, 3834859, 6026207, 9170315, 19174295, 30131035, 42183449, 210917245]

約数ペア:

[(1, 210917245), (5, 42183449), (7, 30131035), (11, 19174295), (23, 9170315), (35, 6026207), (55, 3834859), (77, 2739185), (115, 1834063), (161, 1310045), (253, 833665), (385, 547837), (805, 262009), (1265, 166733), (1771, 119095), (8855, 23819)]