210891912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 662860800

約数和(自身を除く): 451968888

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 139, 154, 168, 231, 264, 278, 308, 417, 462, 556, 616, 821, 834, 924, 973, 1112, 1529, 1642, 1668, 1848, 1946, 2463, 2919, 3058, 3284, 3336, 3892, 4587, 4926, 5747, 5838, 6116, 6568, 7784, 9031, 9174, 9852, 10703, 11494, 11676, 12232, 17241, 18062, 18348, 19704, 21406, 22988, 23352, 27093, 32109, 34482, 36124, 36696, 42812, 45976, 54186, 63217, 64218, 68964, 72248, 85624, 108372, 114119, 126434, 128436, 137928, 189651, 216744, 228238, 252868, 256872, 342357, 379302, 456476, 505736, 684714, 758604, 798833, 912952, 1255309, 1369428, 1517208, 1597666, 2396499, 2510618, 2738856, 3195332, 3765927, 4792998, 5021236, 6390664, 7531854, 8787163, 9585996, 10042472, 15063708, 17574326, 19171992, 26361489, 30127416, 35148652, 52722978, 70297304, 105445956, 210891912]

約数ペア:

[(1, 210891912), (2, 105445956), (3, 70297304), (4, 52722978), (6, 35148652), (7, 30127416), (8, 26361489), (11, 19171992), (12, 17574326), (14, 15063708), (21, 10042472), (22, 9585996), (24, 8787163), (28, 7531854), (33, 6390664), (42, 5021236), (44, 4792998), (56, 3765927), (66, 3195332), (77, 2738856), (84, 2510618), (88, 2396499), (132, 1597666), (139, 1517208), (154, 1369428), (168, 1255309), (231, 912952), (264, 798833), (278, 758604), (308, 684714), (417, 505736), (462, 456476), (556, 379302), (616, 342357), (821, 256872), (834, 252868), (924, 228238), (973, 216744), (1112, 189651), (1529, 137928), (1642, 128436), (1668, 126434), (1848, 114119), (1946, 108372), (2463, 85624), (2919, 72248), (3058, 68964), (3284, 64218), (3336, 63217), (3892, 54186), (4587, 45976), (4926, 42812), (5747, 36696), (5838, 36124), (6116, 34482), (6568, 32109), (7784, 27093), (9031, 23352), (9174, 22988), (9852, 21406), (10703, 19704), (11494, 18348), (11676, 18062), (12232, 17241)]