21435176

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 27035224

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 67, 116, 134, 197, 203, 232, 268, 394, 406, 469, 536, 788, 812, 938, 1379, 1576, 1624, 1876, 1943, 2758, 3752, 3886, 5516, 5713, 7772, 11032, 11426, 13199, 13601, 15544, 22852, 26398, 27202, 39991, 45704, 52796, 54404, 79982, 92393, 105592, 108808, 159964, 184786, 319928, 369572, 382771, 739144, 765542, 1531084, 2679397, 3062168, 5358794, 10717588, 21435176]

約数ペア:

[(1, 21435176), (2, 10717588), (4, 5358794), (7, 3062168), (8, 2679397), (14, 1531084), (28, 765542), (29, 739144), (56, 382771), (58, 369572), (67, 319928), (116, 184786), (134, 159964), (197, 108808), (203, 105592), (232, 92393), (268, 79982), (394, 54404), (406, 52796), (469, 45704), (536, 39991), (788, 27202), (812, 26398), (938, 22852), (1379, 15544), (1576, 13601), (1624, 13199), (1876, 11426), (1943, 11032), (2758, 7772), (3752, 5713), (3886, 5516)]