21041433

素因数分解:

$3^2\times 7^2\times {\mathrm{47713}}^1$

素因数の和:47733

約数の個数: 18

約数和(自身を含む): 35356074

約数和(自身を除く): 14314641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 47713, 143139, 333991, 429417, 1001973, 2337937, 3005919, 7013811, 21041433]

約数ペア:

[(1, 21041433), (3, 7013811), (7, 3005919), (9, 2337937), (21, 1001973), (49, 429417), (63, 333991), (147, 143139), (441, 47713)]