21744256

素因数分解:

$2^7\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 43552980

約数和(自身を除く): 21808724

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 257, 514, 661, 1028, 1322, 2056, 2644, 4112, 5288, 8224, 10576, 16448, 21152, 32896, 42304, 84608, 169877, 339754, 679508, 1359016, 2718032, 5436064, 10872128, 21744256]

約数ペア:

[(1, 21744256), (2, 10872128), (4, 5436064), (8, 2718032), (16, 1359016), (32, 679508), (64, 339754), (128, 169877), (257, 84608), (514, 42304), (661, 32896), (1028, 21152), (1322, 16448), (2056, 10576), (2644, 8224), (4112, 5288)]