21075904

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2593}}^1$

素因数の和:2732

約数の個数: 28

約数和(自身を含む): 42168064

約数和(自身を除く): 21092160

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 2593, 4064, 5186, 8128, 10372, 20744, 41488, 82976, 165952, 329311, 658622, 1317244, 2634488, 5268976, 10537952, 21075904]

約数ペア:

[(1, 21075904), (2, 10537952), (4, 5268976), (8, 2634488), (16, 1317244), (32, 658622), (64, 329311), (127, 165952), (254, 82976), (508, 41488), (1016, 20744), (2032, 10372), (2593, 8128), (4064, 5186)]