21093744

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{937}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 63273728

約数和(自身を除く): 42179984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 67, 84, 112, 134, 168, 201, 268, 336, 402, 469, 536, 804, 937, 938, 1072, 1407, 1608, 1874, 1876, 2811, 2814, 3216, 3748, 3752, 5622, 5628, 6559, 7496, 7504, 11244, 11256, 13118, 14992, 19677, 22488, 22512, 26236, 39354, 44976, 52472, 62779, 78708, 104944, 125558, 157416, 188337, 251116, 314832, 376674, 439453, 502232, 753348, 878906, 1004464, 1318359, 1506696, 1757812, 2636718, 3013392, 3515624, 5273436, 7031248, 10546872, 21093744]

約数ペア:

[(1, 21093744), (2, 10546872), (3, 7031248), (4, 5273436), (6, 3515624), (7, 3013392), (8, 2636718), (12, 1757812), (14, 1506696), (16, 1318359), (21, 1004464), (24, 878906), (28, 753348), (42, 502232), (48, 439453), (56, 376674), (67, 314832), (84, 251116), (112, 188337), (134, 157416), (168, 125558), (201, 104944), (268, 78708), (336, 62779), (402, 52472), (469, 44976), (536, 39354), (804, 26236), (937, 22512), (938, 22488), (1072, 19677), (1407, 14992), (1608, 13118), (1874, 11256), (1876, 11244), (2811, 7504), (2814, 7496), (3216, 6559), (3748, 5628), (3752, 5622)]