21660672

素因数分解:

$2^{10}\times 3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:675

約数の個数: 88

約数和(自身を含む): 63080352

約数和(自身を除く): 41419680

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 512, 528, 641, 704, 768, 1024, 1056, 1282, 1408, 1536, 1923, 2112, 2564, 2816, 3072, 3846, 4224, 5128, 5632, 7051, 7692, 8448, 10256, 11264, 14102, 15384, 16896, 20512, 21153, 28204, 30768, 33792, 41024, 42306, 56408, 61536, 82048, 84612, 112816, 123072, 164096, 169224, 225632, 246144, 328192, 338448, 451264, 492288, 656384, 676896, 902528, 984576, 1353792, 1805056, 1969152, 2707584, 3610112, 5415168, 7220224, 10830336, 21660672]

約数ペア:

[(1, 21660672), (2, 10830336), (3, 7220224), (4, 5415168), (6, 3610112), (8, 2707584), (11, 1969152), (12, 1805056), (16, 1353792), (22, 984576), (24, 902528), (32, 676896), (33, 656384), (44, 492288), (48, 451264), (64, 338448), (66, 328192), (88, 246144), (96, 225632), (128, 169224), (132, 164096), (176, 123072), (192, 112816), (256, 84612), (264, 82048), (352, 61536), (384, 56408), (512, 42306), (528, 41024), (641, 33792), (704, 30768), (768, 28204), (1024, 21153), (1056, 20512), (1282, 16896), (1408, 15384), (1536, 14102), (1923, 11264), (2112, 10256), (2564, 8448), (2816, 7692), (3072, 7051), (3846, 5632), (4224, 5128)]