21771684

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{54979}}^1$

素因数の和:55000

約数の個数: 36

約数和(自身を含む): 60038160

約数和(自身を除く): 38266476

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 54979, 109958, 164937, 219916, 329874, 494811, 604769, 659748, 989622, 1209538, 1814307, 1979244, 2419076, 3628614, 5442921, 7257228, 10885842, 21771684]

約数ペア:

[(1, 21771684), (2, 10885842), (3, 7257228), (4, 5442921), (6, 3628614), (9, 2419076), (11, 1979244), (12, 1814307), (18, 1209538), (22, 989622), (33, 659748), (36, 604769), (44, 494811), (66, 329874), (99, 219916), (132, 164937), (198, 109958), (396, 54979)]