21364528

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{10193}}^1$

素因数の和:10332

約数の個数: 20

約数和(自身を含む): 41713848

約数和(自身を除く): 20349320

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 10193, 20386, 40772, 81544, 163088, 1335283, 2670566, 5341132, 10682264, 21364528]

約数ペア:

[(1, 21364528), (2, 10682264), (4, 5341132), (8, 2670566), (16, 1335283), (131, 163088), (262, 81544), (524, 40772), (1048, 20386), (2096, 10193)]