21950984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5801}}^1$

素因数の和:5861

約数の個数: 32

約数和(自身を含む): 45951840

約数和(自身を除く): 24000856

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5801, 11602, 23204, 46408, 63811, 127622, 249443, 255244, 498886, 510488, 997772, 1995544, 2743873, 5487746, 10975492, 21950984]

約数ペア:

[(1, 21950984), (2, 10975492), (4, 5487746), (8, 2743873), (11, 1995544), (22, 997772), (43, 510488), (44, 498886), (86, 255244), (88, 249443), (172, 127622), (344, 63811), (473, 46408), (946, 23204), (1892, 11602), (3784, 5801)]