21025728

素因数分解:

$2^6\times 3^2\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:402

約数の個数: 84

約数和(自身を含む): 60902088

約数和(自身を除く): 39876360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 173, 192, 211, 288, 346, 422, 519, 576, 633, 692, 844, 1038, 1266, 1384, 1557, 1688, 1899, 2076, 2532, 2768, 3114, 3376, 3798, 4152, 5064, 5536, 6228, 6752, 7596, 8304, 10128, 11072, 12456, 13504, 15192, 16608, 20256, 24912, 30384, 33216, 36503, 40512, 49824, 60768, 73006, 99648, 109509, 121536, 146012, 219018, 292024, 328527, 438036, 584048, 657054, 876072, 1168096, 1314108, 1752144, 2336192, 2628216, 3504288, 5256432, 7008576, 10512864, 21025728]

約数ペア:

[(1, 21025728), (2, 10512864), (3, 7008576), (4, 5256432), (6, 3504288), (8, 2628216), (9, 2336192), (12, 1752144), (16, 1314108), (18, 1168096), (24, 876072), (32, 657054), (36, 584048), (48, 438036), (64, 328527), (72, 292024), (96, 219018), (144, 146012), (173, 121536), (192, 109509), (211, 99648), (288, 73006), (346, 60768), (422, 49824), (519, 40512), (576, 36503), (633, 33216), (692, 30384), (844, 24912), (1038, 20256), (1266, 16608), (1384, 15192), (1557, 13504), (1688, 12456), (1899, 11072), (2076, 10128), (2532, 8304), (2768, 7596), (3114, 6752), (3376, 6228), (3798, 5536), (4152, 5064)]