21286776

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:833

約数の個数: 96

約数和(自身を含む): 64679040

約数和(自身を除く): 43392264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 49, 56, 69, 84, 92, 98, 138, 147, 161, 168, 184, 196, 276, 294, 322, 392, 483, 552, 588, 644, 787, 966, 1127, 1176, 1288, 1574, 1932, 2254, 2361, 3148, 3381, 3864, 4508, 4722, 5509, 6296, 6762, 9016, 9444, 11018, 13524, 16527, 18101, 18888, 22036, 27048, 33054, 36202, 38563, 44072, 54303, 66108, 72404, 77126, 108606, 115689, 126707, 132216, 144808, 154252, 217212, 231378, 253414, 308504, 380121, 434424, 462756, 506828, 760242, 886949, 925512, 1013656, 1520484, 1773898, 2660847, 3040968, 3547796, 5321694, 7095592, 10643388, 21286776]

約数ペア:

[(1, 21286776), (2, 10643388), (3, 7095592), (4, 5321694), (6, 3547796), (7, 3040968), (8, 2660847), (12, 1773898), (14, 1520484), (21, 1013656), (23, 925512), (24, 886949), (28, 760242), (42, 506828), (46, 462756), (49, 434424), (56, 380121), (69, 308504), (84, 253414), (92, 231378), (98, 217212), (138, 154252), (147, 144808), (161, 132216), (168, 126707), (184, 115689), (196, 108606), (276, 77126), (294, 72404), (322, 66108), (392, 54303), (483, 44072), (552, 38563), (588, 36202), (644, 33054), (787, 27048), (966, 22036), (1127, 18888), (1176, 18101), (1288, 16527), (1574, 13524), (1932, 11018), (2254, 9444), (2361, 9016), (3148, 6762), (3381, 6296), (3864, 5509), (4508, 4722)]