21364838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42223}}^1$

素因数の和:42259

約数の個数: 16

約数和(自身を含む): 36481536

約数和(自身を除く): 15116698

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42223, 84446, 464453, 928906, 971129, 1942258, 10682419, 21364838]

約数ペア:

[(1, 21364838), (2, 10682419), (11, 1942258), (22, 971129), (23, 928906), (46, 464453), (253, 84446), (506, 42223)]