21982576

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2549}}^1$

素因数の和:2582

約数の個数: 60

約数和(自身を含む): 54070200

約数和(自身を除く): 32087624

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2549, 4312, 5098, 8624, 10196, 17843, 20392, 28039, 35686, 40784, 56078, 71372, 112156, 124901, 142744, 196273, 224312, 249802, 285488, 392546, 448624, 499604, 785092, 999208, 1373911, 1570184, 1998416, 2747822, 3140368, 5495644, 10991288, 21982576]

約数ペア:

[(1, 21982576), (2, 10991288), (4, 5495644), (7, 3140368), (8, 2747822), (11, 1998416), (14, 1570184), (16, 1373911), (22, 999208), (28, 785092), (44, 499604), (49, 448624), (56, 392546), (77, 285488), (88, 249802), (98, 224312), (112, 196273), (154, 142744), (176, 124901), (196, 112156), (308, 71372), (392, 56078), (539, 40784), (616, 35686), (784, 28039), (1078, 20392), (1232, 17843), (2156, 10196), (2549, 8624), (4312, 5098)]