21058864

素因数分解:

$2^4\times {\mathrm{853}}^1\times {\mathrm{1543}}^1$

素因数の和:2404

約数の個数: 20

約数和(自身を含む): 40875856

約数和(自身を除く): 19816992

約数列:

[1, 2, 4, 8, 16, 853, 1543, 1706, 3086, 3412, 6172, 6824, 12344, 13648, 24688, 1316179, 2632358, 5264716, 10529432, 21058864]

約数ペア:

[(1, 21058864), (2, 10529432), (4, 5264716), (8, 2632358), (16, 1316179), (853, 24688), (1543, 13648), (1706, 12344), (3086, 6824), (3412, 6172)]