21138726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503303}}^1$

素因数の和:503315

約数の個数: 16

約数和(自身を含む): 48317184

約数和(自身を除く): 27178458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503303, 1006606, 1509909, 3019818, 3523121, 7046242, 10569363, 21138726]

約数ペア:

[(1, 21138726), (2, 10569363), (3, 7046242), (6, 3523121), (7, 3019818), (14, 1509909), (21, 1006606), (42, 503303)]