21212716

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32939}}^1$

素因数の和:32973

約数の個数: 24

約数和(自身を含む): 44271360

約数和(自身を除く): 23058644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32939, 65878, 131756, 230573, 461146, 757597, 922292, 1515194, 3030388, 5303179, 10606358, 21212716]

約数ペア:

[(1, 21212716), (2, 10606358), (4, 5303179), (7, 3030388), (14, 1515194), (23, 922292), (28, 757597), (46, 461146), (92, 230573), (161, 131756), (322, 65878), (644, 32939)]