21446272

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1279}}^1$

素因数の和:1424

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 21638528

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1279, 2096, 2558, 4192, 5116, 8384, 10232, 16768, 20464, 40928, 81856, 163712, 167549, 335098, 670196, 1340392, 2680784, 5361568, 10723136, 21446272]

約数ペア:

[(1, 21446272), (2, 10723136), (4, 5361568), (8, 2680784), (16, 1340392), (32, 670196), (64, 335098), (128, 167549), (131, 163712), (262, 81856), (524, 40928), (1048, 20464), (1279, 16768), (2096, 10232), (2558, 8384), (4192, 5116)]