21344354

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2161

約数の個数: 16

約数和(自身を含む): 33064416

約数和(自身を除く): 11720062

約数列:

[1, 2, 41, 82, 131, 262, 1987, 3974, 5371, 10742, 81467, 162934, 260297, 520594, 10672177, 21344354]

約数ペア:

[(1, 21344354), (2, 10672177), (41, 520594), (82, 260297), (131, 162934), (262, 81467), (1987, 10742), (3974, 5371)]