21043232

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2539}}^1$

素因数の和:2593

約数の個数: 48

約数和(自身を含む): 48646080

約数和(自身を除く): 27602848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 2539, 4144, 5078, 8288, 10156, 17773, 20312, 35546, 40624, 71092, 81248, 93943, 142184, 187886, 284368, 375772, 568736, 657601, 751544, 1315202, 1503088, 2630404, 3006176, 5260808, 10521616, 21043232]

約数ペア:

[(1, 21043232), (2, 10521616), (4, 5260808), (7, 3006176), (8, 2630404), (14, 1503088), (16, 1315202), (28, 751544), (32, 657601), (37, 568736), (56, 375772), (74, 284368), (112, 187886), (148, 142184), (224, 93943), (259, 81248), (296, 71092), (518, 40624), (592, 35546), (1036, 20312), (1184, 17773), (2072, 10156), (2539, 8288), (4144, 5078)]