21688812

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{6211}}^1$

素因数の和:6318

約数の個数: 36

約数和(自身を含む): 55398616

約数和(自身を除く): 33709804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 6211, 12422, 18633, 24844, 37266, 55899, 74532, 111798, 223596, 602467, 1204934, 1807401, 2409868, 3614802, 5422203, 7229604, 10844406, 21688812]

約数ペア:

[(1, 21688812), (2, 10844406), (3, 7229604), (4, 5422203), (6, 3614802), (9, 2409868), (12, 1807401), (18, 1204934), (36, 602467), (97, 223596), (194, 111798), (291, 74532), (388, 55899), (582, 37266), (873, 24844), (1164, 18633), (1746, 12422), (3492, 6211)]