21434468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11329}}^1$

素因数の和:11387

約数の個数: 24

約数和(自身を含む): 41875680

約数和(自身を除く): 20441212

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11329, 22658, 45316, 124619, 249238, 487147, 498476, 974294, 1948588, 5358617, 10717234, 21434468]

約数ペア:

[(1, 21434468), (2, 10717234), (4, 5358617), (11, 1948588), (22, 974294), (43, 498476), (44, 487147), (86, 249238), (172, 124619), (473, 45316), (946, 22658), (1892, 11329)]