21700448

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8807}}^1$

素因数の和:8835

約数の個数: 48

約数和(自身を含む): 53270784

約数和(自身を除く): 31570336

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8807, 17614, 35228, 61649, 70456, 96877, 123298, 140912, 193754, 246596, 281824, 387508, 493192, 678139, 775016, 986384, 1356278, 1550032, 1972768, 2712556, 3100064, 5425112, 10850224, 21700448]

約数ペア:

[(1, 21700448), (2, 10850224), (4, 5425112), (7, 3100064), (8, 2712556), (11, 1972768), (14, 1550032), (16, 1356278), (22, 986384), (28, 775016), (32, 678139), (44, 493192), (56, 387508), (77, 281824), (88, 246596), (112, 193754), (154, 140912), (176, 123298), (224, 96877), (308, 70456), (352, 61649), (616, 35228), (1232, 17614), (2464, 8807)]