21537824

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8741}}^1$

素因数の和:8769

約数の個数: 48

約数和(自身を含む): 52871616

約数和(自身を除く): 31333792

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8741, 17482, 34964, 61187, 69928, 96151, 122374, 139856, 192302, 244748, 279712, 384604, 489496, 673057, 769208, 978992, 1346114, 1538416, 1957984, 2692228, 3076832, 5384456, 10768912, 21537824]

約数ペア:

[(1, 21537824), (2, 10768912), (4, 5384456), (7, 3076832), (8, 2692228), (11, 1957984), (14, 1538416), (16, 1346114), (22, 978992), (28, 769208), (32, 673057), (44, 489496), (56, 384604), (77, 279712), (88, 244748), (112, 192302), (154, 139856), (176, 122374), (224, 96151), (308, 69928), (352, 61187), (616, 34964), (1232, 17482), (2464, 8741)]