21097176

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20443}}^1$

素因数の和:20495

約数の個数: 32

約数和(自身を含む): 53972160

約数和(自身を除く): 32874984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20443, 40886, 61329, 81772, 122658, 163544, 245316, 490632, 879049, 1758098, 2637147, 3516196, 5274294, 7032392, 10548588, 21097176]

約数ペア:

[(1, 21097176), (2, 10548588), (3, 7032392), (4, 5274294), (6, 3516196), (8, 2637147), (12, 1758098), (24, 879049), (43, 490632), (86, 245316), (129, 163544), (172, 122658), (258, 81772), (344, 61329), (516, 40886), (1032, 20443)]