21309012

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14437}}^1$

素因数の和:14488

約数の個数: 36

約数和(自身を含む): 55182036

約数和(自身を除く): 33873024

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14437, 28874, 43311, 57748, 86622, 129933, 173244, 259866, 519732, 591917, 1183834, 1775751, 2367668, 3551502, 5327253, 7103004, 10654506, 21309012]

約数ペア:

[(1, 21309012), (2, 10654506), (3, 7103004), (4, 5327253), (6, 3551502), (9, 2367668), (12, 1775751), (18, 1183834), (36, 591917), (41, 519732), (82, 259866), (123, 173244), (164, 129933), (246, 86622), (369, 57748), (492, 43311), (738, 28874), (1476, 14437)]