21051914

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26119}}^1$

素因数の和:26165

約数の個数: 16

約数和(自身を含む): 35105280

約数和(自身を除く): 14053366

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 26119, 52238, 339547, 679094, 809689, 1619378, 10525957, 21051914]

約数ペア:

[(1, 21051914), (2, 10525957), (13, 1619378), (26, 809689), (31, 679094), (62, 339547), (403, 52238), (806, 26119)]