21221088

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1373}}^1$

素因数の和:1416

約数の個数: 96

約数和(自身を含む): 66479616

約数和(自身を除く): 45258528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 69, 84, 92, 96, 112, 138, 161, 168, 184, 224, 276, 322, 336, 368, 483, 552, 644, 672, 736, 966, 1104, 1288, 1373, 1932, 2208, 2576, 2746, 3864, 4119, 5152, 5492, 7728, 8238, 9611, 10984, 15456, 16476, 19222, 21968, 28833, 31579, 32952, 38444, 43936, 57666, 63158, 65904, 76888, 94737, 115332, 126316, 131808, 153776, 189474, 221053, 230664, 252632, 307552, 378948, 442106, 461328, 505264, 663159, 757896, 884212, 922656, 1010528, 1326318, 1515792, 1768424, 2652636, 3031584, 3536848, 5305272, 7073696, 10610544, 21221088]

約数ペア:

[(1, 21221088), (2, 10610544), (3, 7073696), (4, 5305272), (6, 3536848), (7, 3031584), (8, 2652636), (12, 1768424), (14, 1515792), (16, 1326318), (21, 1010528), (23, 922656), (24, 884212), (28, 757896), (32, 663159), (42, 505264), (46, 461328), (48, 442106), (56, 378948), (69, 307552), (84, 252632), (92, 230664), (96, 221053), (112, 189474), (138, 153776), (161, 131808), (168, 126316), (184, 115332), (224, 94737), (276, 76888), (322, 65904), (336, 63158), (368, 57666), (483, 43936), (552, 38444), (644, 32952), (672, 31579), (736, 28833), (966, 21968), (1104, 19222), (1288, 16476), (1373, 15456), (1932, 10984), (2208, 9611), (2576, 8238), (2746, 7728), (3864, 5492), (4119, 5152)]