21167230348

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{379}}^1\times {\mathrm{449}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 41073858000

約数和(自身を除く): 19906627652

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 257, 379, 449, 484, 514, 758, 898, 1028, 1516, 1796, 2827, 4169, 4939, 5654, 8338, 9878, 11308, 16676, 19756, 31097, 45859, 54329, 62194, 91718, 97403, 108658, 115393, 124388, 170171, 183436, 194806, 217316, 230786, 340342, 389612, 461572, 680684, 1071433, 1269323, 1871881, 2142866, 2538646, 3743762, 4285732, 5077292, 7487524, 11785763, 13962553, 20590691, 23571526, 27925106, 41181382, 43733947, 47143052, 55850212, 82362764, 87467894, 174935788, 481073417, 962146834, 1924293668, 5291807587, 10583615174, 21167230348]

約数ペア:

[(1, 21167230348), (2, 10583615174), (4, 5291807587), (11, 1924293668), (22, 962146834), (44, 481073417), (121, 174935788), (242, 87467894), (257, 82362764), (379, 55850212), (449, 47143052), (484, 43733947), (514, 41181382), (758, 27925106), (898, 23571526), (1028, 20590691), (1516, 13962553), (1796, 11785763), (2827, 7487524), (4169, 5077292), (4939, 4285732), (5654, 3743762), (8338, 2538646), (9878, 2142866), (11308, 1871881), (16676, 1269323), (19756, 1071433), (31097, 680684), (45859, 461572), (54329, 389612), (62194, 340342), (91718, 230786), (97403, 217316), (108658, 194806), (115393, 183436), (124388, 170171)]