21514136

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 47647440

約数和(自身を除く): 26133304

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 773, 994, 1546, 1988, 3092, 3479, 3976, 5411, 6184, 6958, 10822, 13916, 21644, 27832, 37877, 43288, 54883, 75754, 109766, 151508, 219532, 303016, 384181, 439064, 768362, 1536724, 2689267, 3073448, 5378534, 10757068, 21514136]

約数ペア:

[(1, 21514136), (2, 10757068), (4, 5378534), (7, 3073448), (8, 2689267), (14, 1536724), (28, 768362), (49, 439064), (56, 384181), (71, 303016), (98, 219532), (142, 151508), (196, 109766), (284, 75754), (392, 54883), (497, 43288), (568, 37877), (773, 27832), (994, 21644), (1546, 13916), (1988, 10822), (3092, 6958), (3479, 6184), (3976, 5411)]