21915904

素因数分解:

$2^8\times {\mathrm{59}}^1\times {\mathrm{1451}}^1$

素因数の和:1526

約数の個数: 36

約数和(自身を含む): 44518320

約数和(自身を除く): 22602416

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 472, 944, 1451, 1888, 2902, 3776, 5804, 7552, 11608, 15104, 23216, 46432, 85609, 92864, 171218, 185728, 342436, 371456, 684872, 1369744, 2739488, 5478976, 10957952, 21915904]

約数ペア:

[(1, 21915904), (2, 10957952), (4, 5478976), (8, 2739488), (16, 1369744), (32, 684872), (59, 371456), (64, 342436), (118, 185728), (128, 171218), (236, 92864), (256, 85609), (472, 46432), (944, 23216), (1451, 15104), (1888, 11608), (2902, 7552), (3776, 5804)]