21497544

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{2351}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 37208376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 2286, 2351, 3048, 4572, 4702, 7053, 9144, 9404, 14106, 18808, 21159, 28212, 42318, 56424, 84636, 169272, 298577, 597154, 895731, 1194308, 1791462, 2388616, 2687193, 3582924, 5374386, 7165848, 10748772, 21497544]

約数ペア:

[(1, 21497544), (2, 10748772), (3, 7165848), (4, 5374386), (6, 3582924), (8, 2687193), (9, 2388616), (12, 1791462), (18, 1194308), (24, 895731), (36, 597154), (72, 298577), (127, 169272), (254, 84636), (381, 56424), (508, 42318), (762, 28212), (1016, 21159), (1143, 18808), (1524, 14106), (2286, 9404), (2351, 9144), (3048, 7053), (4572, 4702)]