21174048

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 71547840

約数和(自身を除く): 50373792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 243, 252, 288, 324, 336, 378, 389, 432, 486, 504, 567, 648, 672, 756, 778, 864, 972, 1008, 1134, 1167, 1296, 1512, 1556, 1701, 1944, 2016, 2268, 2334, 2592, 2723, 3024, 3112, 3402, 3501, 3888, 4536, 4668, 5446, 6048, 6224, 6804, 7002, 7776, 8169, 9072, 9336, 10503, 10892, 12448, 13608, 14004, 16338, 18144, 18672, 21006, 21784, 24507, 27216, 28008, 31509, 32676, 37344, 42012, 43568, 49014, 54432, 56016, 63018, 65352, 73521, 84024, 87136, 94527, 98028, 112032, 126036, 130704, 147042, 168048, 189054, 196056, 220563, 252072, 261408, 294084, 336096, 378108, 392112, 441126, 504144, 588168, 661689, 756216, 784224, 882252, 1008288, 1176336, 1323378, 1512432, 1764504, 2352672, 2646756, 3024864, 3529008, 5293512, 7058016, 10587024, 21174048]

約数ペア:

[(1, 21174048), (2, 10587024), (3, 7058016), (4, 5293512), (6, 3529008), (7, 3024864), (8, 2646756), (9, 2352672), (12, 1764504), (14, 1512432), (16, 1323378), (18, 1176336), (21, 1008288), (24, 882252), (27, 784224), (28, 756216), (32, 661689), (36, 588168), (42, 504144), (48, 441126), (54, 392112), (56, 378108), (63, 336096), (72, 294084), (81, 261408), (84, 252072), (96, 220563), (108, 196056), (112, 189054), (126, 168048), (144, 147042), (162, 130704), (168, 126036), (189, 112032), (216, 98028), (224, 94527), (243, 87136), (252, 84024), (288, 73521), (324, 65352), (336, 63018), (378, 56016), (389, 54432), (432, 49014), (486, 43568), (504, 42012), (567, 37344), (648, 32676), (672, 31509), (756, 28008), (778, 27216), (864, 24507), (972, 21784), (1008, 21006), (1134, 18672), (1167, 18144), (1296, 16338), (1512, 14004), (1556, 13608), (1701, 12448), (1944, 10892), (2016, 10503), (2268, 9336), (2334, 9072), (2592, 8169), (2723, 7776), (3024, 7002), (3112, 6804), (3402, 6224), (3501, 6048), (3888, 5446), (4536, 4668)]