21342814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1229}}^1$

素因数の和:1707

約数の個数: 16

約数和(自身を含む): 33800400

約数和(自身を除く): 12457586

約数列:

[1, 2, 19, 38, 457, 914, 1229, 2458, 8683, 17366, 23351, 46702, 561653, 1123306, 10671407, 21342814]

約数ペア:

[(1, 21342814), (2, 10671407), (19, 1123306), (38, 561653), (457, 46702), (914, 23351), (1229, 17366), (2458, 8683)]