21486876

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 52813824

約数和(自身を除く): 31326948

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 127, 138, 254, 276, 381, 508, 613, 762, 1226, 1524, 1839, 2452, 2921, 3678, 5842, 7356, 8763, 11684, 14099, 17526, 28198, 35052, 42297, 56396, 77851, 84594, 155702, 169188, 233553, 311404, 467106, 934212, 1790573, 3581146, 5371719, 7162292, 10743438, 21486876]

約数ペア:

[(1, 21486876), (2, 10743438), (3, 7162292), (4, 5371719), (6, 3581146), (12, 1790573), (23, 934212), (46, 467106), (69, 311404), (92, 233553), (127, 169188), (138, 155702), (254, 84594), (276, 77851), (381, 56396), (508, 42297), (613, 35052), (762, 28198), (1226, 17526), (1524, 14099), (1839, 11684), (2452, 8763), (2921, 7356), (3678, 5842)]