21629608

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 56689920

約数和(自身を除く): 35060312

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 37, 44, 52, 56, 73, 74, 77, 88, 91, 104, 143, 146, 148, 154, 182, 259, 286, 292, 296, 308, 364, 407, 481, 511, 518, 572, 584, 616, 728, 803, 814, 949, 962, 1001, 1022, 1036, 1144, 1606, 1628, 1898, 1924, 2002, 2044, 2072, 2701, 2849, 3212, 3256, 3367, 3796, 3848, 4004, 4088, 5291, 5402, 5621, 5698, 6424, 6643, 6734, 7592, 8008, 10439, 10582, 10804, 11242, 11396, 13286, 13468, 18907, 20878, 21164, 21608, 22484, 22792, 26572, 26936, 29711, 35113, 37037, 37814, 41756, 42328, 44968, 53144, 59422, 70226, 73073, 74074, 75628, 83512, 118844, 140452, 146146, 148148, 151256, 207977, 237688, 245791, 280904, 292292, 296296, 386243, 415954, 491582, 584584, 772486, 831908, 983164, 1544972, 1663816, 1966328, 2703701, 3089944, 5407402, 10814804, 21629608]

約数ペア:

[(1, 21629608), (2, 10814804), (4, 5407402), (7, 3089944), (8, 2703701), (11, 1966328), (13, 1663816), (14, 1544972), (22, 983164), (26, 831908), (28, 772486), (37, 584584), (44, 491582), (52, 415954), (56, 386243), (73, 296296), (74, 292292), (77, 280904), (88, 245791), (91, 237688), (104, 207977), (143, 151256), (146, 148148), (148, 146146), (154, 140452), (182, 118844), (259, 83512), (286, 75628), (292, 74074), (296, 73073), (308, 70226), (364, 59422), (407, 53144), (481, 44968), (511, 42328), (518, 41756), (572, 37814), (584, 37037), (616, 35113), (728, 29711), (803, 26936), (814, 26572), (949, 22792), (962, 22484), (1001, 21608), (1022, 21164), (1036, 20878), (1144, 18907), (1606, 13468), (1628, 13286), (1898, 11396), (1924, 11242), (2002, 10804), (2044, 10582), (2072, 10439), (2701, 8008), (2849, 7592), (3212, 6734), (3256, 6643), (3367, 6424), (3796, 5698), (3848, 5621), (4004, 5402), (4088, 5291)]