21718096

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{31567}}^1$

素因数の和:31618

約数の個数: 20

約数和(自身を含む): 43058752

約数和(自身を除く): 21340656

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 31567, 63134, 126268, 252536, 505072, 1357381, 2714762, 5429524, 10859048, 21718096]

約数ペア:

[(1, 21718096), (2, 10859048), (4, 5429524), (8, 2714762), (16, 1357381), (43, 505072), (86, 252536), (172, 126268), (344, 63134), (688, 31567)]