20121054009

素因数分解:

$3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2714293}}^1$

素因数の和:2714656

約数の個数: 16

約数和(自身を含む): 30747522432

約数和(自身を除く): 10626468423

約数列:

[1, 3, 7, 21, 353, 1059, 2471, 7413, 2714293, 8142879, 19000051, 57000153, 958145429, 2874436287, 6707018003, 20121054009]

約数ペア:

[(1, 20121054009), (3, 6707018003), (7, 2874436287), (21, 958145429), (353, 57000153), (1059, 19000051), (2471, 8142879), (7413, 2714293)]