21117952

素因数分解:

$2^{10}\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:564

約数の個数: 44

約数和(自身を含む): 43330896

約数和(自身を除く): 22212944

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 503, 512, 656, 1006, 1024, 1312, 2012, 2624, 4024, 5248, 8048, 10496, 16096, 20623, 20992, 32192, 41246, 41984, 64384, 82492, 128768, 164984, 257536, 329968, 515072, 659936, 1319872, 2639744, 5279488, 10558976, 21117952]

約数ペア:

[(1, 21117952), (2, 10558976), (4, 5279488), (8, 2639744), (16, 1319872), (32, 659936), (41, 515072), (64, 329968), (82, 257536), (128, 164984), (164, 128768), (256, 82492), (328, 64384), (503, 41984), (512, 41246), (656, 32192), (1006, 20992), (1024, 20623), (1312, 16096), (2012, 10496), (2624, 8048), (4024, 5248)]