21090287904

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{74903}}^1$

素因数の和:75342

約数の個数: 96

約数和(自身を含む): 63422714880

約数和(自身を除く): 42332426976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 419, 672, 838, 1257, 1676, 2514, 2933, 3352, 5028, 5866, 6704, 8799, 10056, 11732, 13408, 17598, 20112, 23464, 35196, 40224, 46928, 70392, 74903, 93856, 140784, 149806, 224709, 281568, 299612, 449418, 524321, 599224, 898836, 1048642, 1198448, 1572963, 1797672, 2097284, 2396896, 3145926, 3595344, 4194568, 6291852, 7190688, 8389136, 12583704, 16778272, 25167408, 31384357, 50334816, 62768714, 94153071, 125537428, 188306142, 219690499, 251074856, 376612284, 439380998, 502149712, 659071497, 753224568, 878761996, 1004299424, 1318142994, 1506449136, 1757523992, 2636285988, 3012898272, 3515047984, 5272571976, 7030095968, 10545143952, 21090287904]

約数ペア:

[(1, 21090287904), (2, 10545143952), (3, 7030095968), (4, 5272571976), (6, 3515047984), (7, 3012898272), (8, 2636285988), (12, 1757523992), (14, 1506449136), (16, 1318142994), (21, 1004299424), (24, 878761996), (28, 753224568), (32, 659071497), (42, 502149712), (48, 439380998), (56, 376612284), (84, 251074856), (96, 219690499), (112, 188306142), (168, 125537428), (224, 94153071), (336, 62768714), (419, 50334816), (672, 31384357), (838, 25167408), (1257, 16778272), (1676, 12583704), (2514, 8389136), (2933, 7190688), (3352, 6291852), (5028, 4194568), (5866, 3595344), (6704, 3145926), (8799, 2396896), (10056, 2097284), (11732, 1797672), (13408, 1572963), (17598, 1198448), (20112, 1048642), (23464, 898836), (35196, 599224), (40224, 524321), (46928, 449418), (70392, 299612), (74903, 281568), (93856, 224709), (140784, 149806)]