21286144

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7559}}^1$

素因数の和:7586

約数の個数: 36

約数和(自身を含む): 46357920

約数和(自身を除く): 25071776

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7559, 15118, 30236, 60472, 83149, 120944, 166298, 241888, 332596, 483776, 665192, 967552, 1330384, 1935104, 2660768, 5321536, 10643072, 21286144]

約数ペア:

[(1, 21286144), (2, 10643072), (4, 5321536), (8, 2660768), (11, 1935104), (16, 1330384), (22, 967552), (32, 665192), (44, 483776), (64, 332596), (88, 241888), (128, 166298), (176, 120944), (256, 83149), (352, 60472), (704, 30236), (1408, 15118), (2816, 7559)]