21780706

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5987}}^1$

素因数の和:6113

約数の個数: 16

約数和(自身を含む): 34922016

約数和(自身を除く): 13141310

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 5987, 11974, 101779, 203558, 640609, 1281218, 10890353, 21780706]

約数ペア:

[(1, 21780706), (2, 10890353), (17, 1281218), (34, 640609), (107, 203558), (214, 101779), (1819, 11974), (3638, 5987)]