21680868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{164249}}^1$

素因数の和:164267

約数の個数: 24

約数和(自身を含む): 55188000

約数和(自身を除く): 33507132

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 164249, 328498, 492747, 656996, 985494, 1806739, 1970988, 3613478, 5420217, 7226956, 10840434, 21680868]

約数ペア:

[(1, 21680868), (2, 10840434), (3, 7226956), (4, 5420217), (6, 3613478), (11, 1970988), (12, 1806739), (22, 985494), (33, 656996), (44, 492747), (66, 328498), (132, 164249)]