21161742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503851}}^1$

素因数の和:503863

約数の個数: 16

約数和(自身を含む): 48369792

約数和(自身を除く): 27208050

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503851, 1007702, 1511553, 3023106, 3526957, 7053914, 10580871, 21161742]

約数ペア:

[(1, 21161742), (2, 10580871), (3, 7053914), (6, 3526957), (7, 3023106), (14, 1511553), (21, 1007702), (42, 503851)]