21717294032

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{215689}}^1$

素因数の和:215764

約数の個数: 80

約数和(自身を含む): 51351475200

約数和(自身を除く): 29634181168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 56, 58, 62, 112, 116, 124, 203, 217, 232, 248, 406, 434, 464, 496, 812, 868, 899, 1624, 1736, 1798, 3248, 3472, 3596, 6293, 7192, 12586, 14384, 25172, 50344, 100688, 215689, 431378, 862756, 1509823, 1725512, 3019646, 3451024, 6039292, 6254981, 6686359, 12078584, 12509962, 13372718, 24157168, 25019924, 26745436, 43784867, 46804513, 50039848, 53490872, 87569734, 93609026, 100079696, 106981744, 175139468, 187218052, 193904411, 350278936, 374436104, 387808822, 700557872, 748872208, 775617644, 1357330877, 1551235288, 2714661754, 3102470576, 5429323508, 10858647016, 21717294032]

約数ペア:

[(1, 21717294032), (2, 10858647016), (4, 5429323508), (7, 3102470576), (8, 2714661754), (14, 1551235288), (16, 1357330877), (28, 775617644), (29, 748872208), (31, 700557872), (56, 387808822), (58, 374436104), (62, 350278936), (112, 193904411), (116, 187218052), (124, 175139468), (203, 106981744), (217, 100079696), (232, 93609026), (248, 87569734), (406, 53490872), (434, 50039848), (464, 46804513), (496, 43784867), (812, 26745436), (868, 25019924), (899, 24157168), (1624, 13372718), (1736, 12509962), (1798, 12078584), (3248, 6686359), (3472, 6254981), (3596, 6039292), (6293, 3451024), (7192, 3019646), (12586, 1725512), (14384, 1509823), (25172, 862756), (50344, 431378), (100688, 215689)]