21091414

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10663}}^1$

素因数の和:10731

約数の個数: 16

約数和(自身を含む): 33783552

約数和(自身を除く): 12692138

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 10663, 21326, 245249, 458509, 490498, 917018, 10545707, 21091414]

約数ペア:

[(1, 21091414), (2, 10545707), (23, 917018), (43, 490498), (46, 458509), (86, 245249), (989, 21326), (1978, 10663)]