21048088

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{64171}}^1$

素因数の和:64218

約数の個数: 16

約数和(自身を含む): 40428360

約数和(自身を除く): 19380272

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 64171, 128342, 256684, 513368, 2631011, 5262022, 10524044, 21048088]

約数ペア:

[(1, 21048088), (2, 10524044), (4, 5262022), (8, 2631011), (41, 513368), (82, 256684), (164, 128342), (328, 64171)]