21474208

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2591}}^1$

素因数の和:2645

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 28167776

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, 2591, 4144, 5182, 8288, 10364, 18137, 20728, 36274, 41456, 72548, 82912, 95867, 145096, 191734, 290192, 383468, 580384, 671069, 766936, 1342138, 1533872, 2684276, 3067744, 5368552, 10737104, 21474208]

約数ペア:

[(1, 21474208), (2, 10737104), (4, 5368552), (7, 3067744), (8, 2684276), (14, 1533872), (16, 1342138), (28, 766936), (32, 671069), (37, 580384), (56, 383468), (74, 290192), (112, 191734), (148, 145096), (224, 95867), (259, 82912), (296, 72548), (518, 41456), (592, 36274), (1036, 20728), (1184, 18137), (2072, 10364), (2591, 8288), (4144, 5182)]