21234752

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 112

約数和(自身を含む): 54620160

約数和(自身を除く): 33385408

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 139, 154, 176, 217, 224, 248, 278, 308, 341, 352, 434, 448, 496, 556, 616, 682, 704, 868, 973, 992, 1112, 1232, 1364, 1529, 1736, 1946, 1984, 2224, 2387, 2464, 2728, 3058, 3472, 3892, 4309, 4448, 4774, 4928, 5456, 6116, 6944, 7784, 8618, 8896, 9548, 10703, 10912, 12232, 13888, 15568, 17236, 19096, 21406, 21824, 24464, 30163, 31136, 34472, 38192, 42812, 47399, 48928, 60326, 62272, 68944, 76384, 85624, 94798, 97856, 120652, 137888, 152768, 171248, 189596, 241304, 275776, 331793, 342496, 379192, 482608, 663586, 684992, 758384, 965216, 1327172, 1516768, 1930432, 2654344, 3033536, 5308688, 10617376, 21234752]

約数ペア:

[(1, 21234752), (2, 10617376), (4, 5308688), (7, 3033536), (8, 2654344), (11, 1930432), (14, 1516768), (16, 1327172), (22, 965216), (28, 758384), (31, 684992), (32, 663586), (44, 482608), (56, 379192), (62, 342496), (64, 331793), (77, 275776), (88, 241304), (112, 189596), (124, 171248), (139, 152768), (154, 137888), (176, 120652), (217, 97856), (224, 94798), (248, 85624), (278, 76384), (308, 68944), (341, 62272), (352, 60326), (434, 48928), (448, 47399), (496, 42812), (556, 38192), (616, 34472), (682, 31136), (704, 30163), (868, 24464), (973, 21824), (992, 21406), (1112, 19096), (1232, 17236), (1364, 15568), (1529, 13888), (1736, 12232), (1946, 10912), (1984, 10703), (2224, 9548), (2387, 8896), (2464, 8618), (2728, 7784), (3058, 6944), (3472, 6116), (3892, 5456), (4309, 4928), (4448, 4774)]