21309080408

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1229}}^1\times {\mathrm{4021}}^1$

素因数の和:5281

約数の個数: 96

約数和(自身を含む): 50756835600

約数和(自身を除く): 29447755192

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 1229, 2156, 2458, 4021, 4312, 4916, 8042, 8603, 9832, 13519, 16084, 17206, 27038, 28147, 32168, 34412, 44231, 54076, 56294, 60221, 68824, 88462, 94633, 108152, 112588, 120442, 176924, 189266, 197029, 225176, 240884, 309617, 353848, 378532, 394058, 481768, 619234, 662431, 757064, 788116, 1238468, 1324862, 1576232, 2167319, 2476936, 2649724, 4334638, 4941809, 5299448, 8669276, 9883618, 17338552, 19767236, 34592663, 39534472, 54359899, 69185326, 108719798, 138370652, 217439596, 242148641, 276741304, 380519293, 434879192, 484297282, 761038586, 968594564, 1522077172, 1937189128, 2663635051, 3044154344, 5327270102, 10654540204, 21309080408]

約数ペア:

[(1, 21309080408), (2, 10654540204), (4, 5327270102), (7, 3044154344), (8, 2663635051), (11, 1937189128), (14, 1522077172), (22, 968594564), (28, 761038586), (44, 484297282), (49, 434879192), (56, 380519293), (77, 276741304), (88, 242148641), (98, 217439596), (154, 138370652), (196, 108719798), (308, 69185326), (392, 54359899), (539, 39534472), (616, 34592663), (1078, 19767236), (1229, 17338552), (2156, 9883618), (2458, 8669276), (4021, 5299448), (4312, 4941809), (4916, 4334638), (8042, 2649724), (8603, 2476936), (9832, 2167319), (13519, 1576232), (16084, 1324862), (17206, 1238468), (27038, 788116), (28147, 757064), (32168, 662431), (34412, 619234), (44231, 481768), (54076, 394058), (56294, 378532), (60221, 353848), (68824, 309617), (88462, 240884), (94633, 225176), (108152, 197029), (112588, 189266), (120442, 176924)]