21002742

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26171658

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 149, 191, 246, 298, 369, 382, 447, 573, 738, 894, 1146, 1341, 1719, 2682, 3438, 6109, 7831, 12218, 15662, 18327, 23493, 28459, 36654, 46986, 54981, 56918, 70479, 85377, 109962, 140958, 170754, 256131, 512262, 1166819, 2333638, 3500457, 7000914, 10501371, 21002742]

約数ペア:

[(1, 21002742), (2, 10501371), (3, 7000914), (6, 3500457), (9, 2333638), (18, 1166819), (41, 512262), (82, 256131), (123, 170754), (149, 140958), (191, 109962), (246, 85377), (298, 70479), (369, 56918), (382, 54981), (447, 46986), (573, 36654), (738, 28459), (894, 23493), (1146, 18327), (1341, 15662), (1719, 12218), (2682, 7831), (3438, 6109)]