21902017288

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{743}}^1$

素因数の和:1019

約数の個数: 96

約数和(自身を含む): 44390462400

約数和(自身を除く): 22488445112

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 173, 236, 346, 361, 472, 692, 722, 743, 1121, 1384, 1444, 1486, 2242, 2888, 2972, 3287, 4484, 5944, 6574, 8968, 10207, 13148, 14117, 20414, 21299, 26296, 28234, 40828, 42598, 43837, 56468, 62453, 81656, 85196, 87674, 112936, 124906, 128539, 170392, 175348, 193933, 249812, 257078, 268223, 350696, 387866, 499624, 514156, 536446, 775732, 832903, 1028312, 1072892, 1551464, 1665806, 2145784, 2442241, 3331612, 3684727, 4884482, 6663224, 7369454, 7583801, 9768964, 14738908, 15167602, 15825157, 19537928, 29477816, 30335204, 31650314, 46402579, 60670408, 63300628, 92805158, 126601256, 144092219, 185610316, 288184438, 371220632, 576368876, 1152737752, 2737752161, 5475504322, 10951008644, 21902017288]

約数ペア:

[(1, 21902017288), (2, 10951008644), (4, 5475504322), (8, 2737752161), (19, 1152737752), (38, 576368876), (59, 371220632), (76, 288184438), (118, 185610316), (152, 144092219), (173, 126601256), (236, 92805158), (346, 63300628), (361, 60670408), (472, 46402579), (692, 31650314), (722, 30335204), (743, 29477816), (1121, 19537928), (1384, 15825157), (1444, 15167602), (1486, 14738908), (2242, 9768964), (2888, 7583801), (2972, 7369454), (3287, 6663224), (4484, 4884482), (5944, 3684727), (6574, 3331612), (8968, 2442241), (10207, 2145784), (13148, 1665806), (14117, 1551464), (20414, 1072892), (21299, 1028312), (26296, 832903), (28234, 775732), (40828, 536446), (42598, 514156), (43837, 499624), (56468, 387866), (62453, 350696), (81656, 268223), (85196, 257078), (87674, 249812), (112936, 193933), (124906, 175348), (128539, 170392)]