21347024

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28387}}^1$

素因数の和:28442

約数の個数: 20

約数和(自身を含む): 42241344

約数和(自身を除く): 20894320

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28387, 56774, 113548, 227096, 454192, 1334189, 2668378, 5336756, 10673512, 21347024]

約数ペア:

[(1, 21347024), (2, 10673512), (4, 5336756), (8, 2668378), (16, 1334189), (47, 454192), (94, 227096), (188, 113548), (376, 56774), (752, 28387)]