21192320

素因数分解:

$2^7\times 5^1\times {\mathrm{33113}}^1$

素因数の和:33132

約数の個数: 32

約数和(自身を含む): 50664420

約数和(自身を除く): 29472100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 33113, 66226, 132452, 165565, 264904, 331130, 529808, 662260, 1059616, 1324520, 2119232, 2649040, 4238464, 5298080, 10596160, 21192320]

約数ペア:

[(1, 21192320), (2, 10596160), (4, 5298080), (5, 4238464), (8, 2649040), (10, 2119232), (16, 1324520), (20, 1059616), (32, 662260), (40, 529808), (64, 331130), (80, 264904), (128, 165565), (160, 132452), (320, 66226), (640, 33113)]