21000810892

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{46461971}}^1$

素因数の和:46462088

約数の個数: 12

約数和(自身を含む): 37076653656

約数和(自身を除く): 16075842764

約数列:

[1, 2, 4, 113, 226, 452, 46461971, 92923942, 185847884, 5250202723, 10500405446, 21000810892]

約数ペア:

[(1, 21000810892), (2, 10500405446), (4, 5250202723), (113, 185847884), (226, 92923942), (452, 46461971)]