21278862

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11941}}^1$

素因数の和:11966

約数の個数: 40

約数和(自身を含む): 52019352

約数和(自身を除く): 30740490

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11941, 23882, 35823, 71646, 107469, 131351, 214938, 262702, 322407, 394053, 644814, 788106, 967221, 1182159, 1934442, 2364318, 3546477, 7092954, 10639431, 21278862]

約数ペア:

[(1, 21278862), (2, 10639431), (3, 7092954), (6, 3546477), (9, 2364318), (11, 1934442), (18, 1182159), (22, 967221), (27, 788106), (33, 644814), (54, 394053), (66, 322407), (81, 262702), (99, 214938), (162, 131351), (198, 107469), (297, 71646), (594, 35823), (891, 23882), (1782, 11941)]