21037254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500887}}^1$

素因数の和:500899

約数の個数: 16

約数和(自身を含む): 48085248

約数和(自身を除く): 27047994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500887, 1001774, 1502661, 3005322, 3506209, 7012418, 10518627, 21037254]

約数ペア:

[(1, 21037254), (2, 10518627), (3, 7012418), (6, 3506209), (7, 3005322), (14, 1502661), (21, 1001774), (42, 500887)]