21851551166

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{63397}}^1$

素因数の和:63608

約数の個数: 32

約数和(自身を含む): 35056558080

約数和(自身を除く): 13205006914

約数列:

[1, 2, 23, 46, 59, 118, 127, 254, 1357, 2714, 2921, 5842, 7493, 14986, 63397, 126794, 172339, 344678, 1458131, 2916262, 3740423, 7480846, 8051419, 16102838, 86029729, 172059458, 185182637, 370365274, 475033721, 950067442, 10925775583, 21851551166]

約数ペア:

[(1, 21851551166), (2, 10925775583), (23, 950067442), (46, 475033721), (59, 370365274), (118, 185182637), (127, 172059458), (254, 86029729), (1357, 16102838), (2714, 8051419), (2921, 7480846), (5842, 3740423), (7493, 2916262), (14986, 1458131), (63397, 344678), (126794, 172339)]