21081204

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{6037}}^1$

素因数の和:6144

約数の個数: 36

約数和(自身を含む): 53846884

約数和(自身を除く): 32765680

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 6037, 12074, 18111, 24148, 36222, 54333, 72444, 108666, 217332, 585589, 1171178, 1756767, 2342356, 3513534, 5270301, 7027068, 10540602, 21081204]

約数ペア:

[(1, 21081204), (2, 10540602), (3, 7027068), (4, 5270301), (6, 3513534), (9, 2342356), (12, 1756767), (18, 1171178), (36, 585589), (97, 217332), (194, 108666), (291, 72444), (388, 54333), (582, 36222), (873, 24148), (1164, 18111), (1746, 12074), (3492, 6037)]