21376916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10337}}^1$

素因数の和:10399

約数の個数: 24

約数和(自身を含む): 41682816

約数和(自身を除く): 20305900

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 10337, 20674, 41348, 113707, 227414, 454828, 485839, 971678, 1943356, 5344229, 10688458, 21376916]

約数ペア:

[(1, 21376916), (2, 10688458), (4, 5344229), (11, 1943356), (22, 971678), (44, 485839), (47, 454828), (94, 227414), (188, 113707), (517, 41348), (1034, 20674), (2068, 10337)]