21299254

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2383}}^1$

素因数の和:2535

約数の個数: 16

約数和(自身を含む): 33042240

約数和(自身を除く): 11742986

約数列:

[1, 2, 41, 82, 109, 218, 2383, 4469, 4766, 8938, 97703, 195406, 259747, 519494, 10649627, 21299254]

約数ペア:

[(1, 21299254), (2, 10649627), (41, 519494), (82, 259747), (109, 195406), (218, 97703), (2383, 8938), (4469, 4766)]