21116995648

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{10939}}^1$

素因数の和:11128

約数の個数: 112

約数和(自身を含む): 49795379200

約数和(自身を除く): 28678383552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 139, 217, 224, 248, 278, 434, 448, 496, 556, 868, 973, 992, 1112, 1736, 1946, 1984, 2224, 3472, 3892, 4309, 4448, 6944, 7784, 8618, 8896, 10939, 13888, 15568, 17236, 21878, 30163, 31136, 34472, 43756, 60326, 62272, 68944, 76573, 87512, 120652, 137888, 153146, 175024, 241304, 275776, 306292, 339109, 350048, 482608, 612584, 678218, 700096, 965216, 1225168, 1356436, 1520521, 1930432, 2373763, 2450336, 2712872, 3041042, 4747526, 4900672, 5425744, 6082084, 9495052, 10643647, 10851488, 12164168, 18990104, 21287294, 21702976, 24328336, 37980208, 42574588, 47136151, 48656672, 75960416, 85149176, 94272302, 97313344, 151920832, 170298352, 188544604, 329953057, 340596704, 377089208, 659906114, 681193408, 754178416, 1319812228, 1508356832, 2639624456, 3016713664, 5279248912, 10558497824, 21116995648]

約数ペア:

[(1, 21116995648), (2, 10558497824), (4, 5279248912), (7, 3016713664), (8, 2639624456), (14, 1508356832), (16, 1319812228), (28, 754178416), (31, 681193408), (32, 659906114), (56, 377089208), (62, 340596704), (64, 329953057), (112, 188544604), (124, 170298352), (139, 151920832), (217, 97313344), (224, 94272302), (248, 85149176), (278, 75960416), (434, 48656672), (448, 47136151), (496, 42574588), (556, 37980208), (868, 24328336), (973, 21702976), (992, 21287294), (1112, 18990104), (1736, 12164168), (1946, 10851488), (1984, 10643647), (2224, 9495052), (3472, 6082084), (3892, 5425744), (4309, 4900672), (4448, 4747526), (6944, 3041042), (7784, 2712872), (8618, 2450336), (8896, 2373763), (10939, 1930432), (13888, 1520521), (15568, 1356436), (17236, 1225168), (21878, 965216), (30163, 700096), (31136, 678218), (34472, 612584), (43756, 482608), (60326, 350048), (62272, 339109), (68944, 306292), (76573, 275776), (87512, 241304), (120652, 175024), (137888, 153146)]