21961093

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 8589947

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 883, 1309, 1463, 2261, 3553, 6181, 9713, 15011, 16777, 24871, 67991, 105077, 117439, 165121, 184547, 285209, 1155847, 1291829, 1996463, 3137299, 21961093]

約数ペア:

[(1, 21961093), (7, 3137299), (11, 1996463), (17, 1291829), (19, 1155847), (77, 285209), (119, 184547), (133, 165121), (187, 117439), (209, 105077), (323, 67991), (883, 24871), (1309, 16777), (1463, 15011), (2261, 9713), (3553, 6181)]