21613952

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1434

約数の個数: 32

約数和(自身を含む): 43421400

約数和(自身を除く): 21807448

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 1289, 2096, 2578, 4192, 5156, 8384, 10312, 16768, 20624, 41248, 82496, 164992, 168859, 337718, 675436, 1350872, 2701744, 5403488, 10806976, 21613952]

約数ペア:

[(1, 21613952), (2, 10806976), (4, 5403488), (8, 2701744), (16, 1350872), (32, 675436), (64, 337718), (128, 168859), (131, 164992), (262, 82496), (524, 41248), (1048, 20624), (1289, 16768), (2096, 10312), (2578, 8384), (4192, 5156)]