21307568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57901}}^1$

素因数の和:57932

約数の個数: 20

約数和(自身を含む): 43079088

約数和(自身を除く): 21771520

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57901, 115802, 231604, 463208, 926416, 1331723, 2663446, 5326892, 10653784, 21307568]

約数ペア:

[(1, 21307568), (2, 10653784), (4, 5326892), (8, 2663446), (16, 1331723), (23, 926416), (46, 463208), (92, 231604), (184, 115802), (368, 57901)]