21070292368

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5905351}}^1$

素因数の和:5905582

約数の個数: 20

約数和(自身を含む): 41006764288

約数和(自身を除く): 19936471920

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5905351, 11810702, 23621404, 47242808, 94485616, 1316893273, 2633786546, 5267573092, 10535146184, 21070292368]

約数ペア:

[(1, 21070292368), (2, 10535146184), (4, 5267573092), (8, 2633786546), (16, 1316893273), (223, 94485616), (446, 47242808), (892, 23621404), (1784, 11810702), (3568, 5905351)]