21193396

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32909}}^1$

素因数の和:32943

約数の個数: 24

約数和(自身を含む): 44231040

約数和(自身を除く): 23037644

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32909, 65818, 131636, 230363, 460726, 756907, 921452, 1513814, 3027628, 5298349, 10596698, 21193396]

約数ペア:

[(1, 21193396), (2, 10596698), (4, 5298349), (7, 3027628), (14, 1513814), (23, 921452), (28, 756907), (46, 460726), (92, 230363), (161, 131636), (322, 65818), (644, 32909)]