21008256

素因数分解:

$2^7\times 3^1\times {\mathrm{54709}}^1$

素因数の和:54726

約数の個数: 32

約数和(自身を含む): 55804200

約数和(自身を除く): 34795944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 54709, 109418, 164127, 218836, 328254, 437672, 656508, 875344, 1313016, 1750688, 2626032, 3501376, 5252064, 7002752, 10504128, 21008256]

約数ペア:

[(1, 21008256), (2, 10504128), (3, 7002752), (4, 5252064), (6, 3501376), (8, 2626032), (12, 1750688), (16, 1313016), (24, 875344), (32, 656508), (48, 437672), (64, 328254), (96, 218836), (128, 164127), (192, 109418), (384, 54709)]