21740672

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5479}}^1$

素因数の和:5524

約数の個数: 32

約数和(自身を含む): 44716800

約数和(自身を除く): 22976128

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5479, 10958, 21916, 43832, 87664, 169849, 175328, 339698, 350656, 679396, 701312, 1358792, 2717584, 5435168, 10870336, 21740672]

約数ペア:

[(1, 21740672), (2, 10870336), (4, 5435168), (8, 2717584), (16, 1358792), (31, 701312), (32, 679396), (62, 350656), (64, 339698), (124, 175328), (128, 169849), (248, 87664), (496, 43832), (992, 21916), (1984, 10958), (3968, 5479)]