21786744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3163}}^1$

素因数の和:3220

約数の個数: 64

約数和(自身を含む): 63786240

約数和(自身を除く): 41999496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3163, 3444, 6326, 6888, 9489, 12652, 18978, 22141, 25304, 37956, 44282, 66423, 75912, 88564, 129683, 132846, 177128, 259366, 265692, 389049, 518732, 531384, 778098, 907781, 1037464, 1556196, 1815562, 2723343, 3112392, 3631124, 5446686, 7262248, 10893372, 21786744]

約数ペア:

[(1, 21786744), (2, 10893372), (3, 7262248), (4, 5446686), (6, 3631124), (7, 3112392), (8, 2723343), (12, 1815562), (14, 1556196), (21, 1037464), (24, 907781), (28, 778098), (41, 531384), (42, 518732), (56, 389049), (82, 265692), (84, 259366), (123, 177128), (164, 132846), (168, 129683), (246, 88564), (287, 75912), (328, 66423), (492, 44282), (574, 37956), (861, 25304), (984, 22141), (1148, 18978), (1722, 12652), (2296, 9489), (3163, 6888), (3444, 6326)]