21376504

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{62141}}^1$

素因数の和:62190

約数の個数: 16

約数和(自身を含む): 41013720

約数和(自身を除く): 19637216

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 62141, 124282, 248564, 497128, 2672063, 5344126, 10688252, 21376504]

約数ペア:

[(1, 21376504), (2, 10688252), (4, 5344126), (8, 2672063), (43, 497128), (86, 248564), (172, 124282), (344, 62141)]