21092484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{857}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 56504448

約数和(自身を除く): 35411964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 293, 586, 857, 879, 1172, 1714, 1758, 2051, 2571, 3428, 3516, 4102, 5142, 5999, 6153, 8204, 10284, 11998, 12306, 17997, 23996, 24612, 35994, 71988, 251101, 502202, 753303, 1004404, 1506606, 1757707, 3013212, 3515414, 5273121, 7030828, 10546242, 21092484]

約数ペア:

[(1, 21092484), (2, 10546242), (3, 7030828), (4, 5273121), (6, 3515414), (7, 3013212), (12, 1757707), (14, 1506606), (21, 1004404), (28, 753303), (42, 502202), (84, 251101), (293, 71988), (586, 35994), (857, 24612), (879, 23996), (1172, 17997), (1714, 12306), (1758, 11998), (2051, 10284), (2571, 8204), (3428, 6153), (3516, 5999), (4102, 5142)]