21526144

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3911}}^1$

素因数の和:3968

約数の個数: 32

約数和(自身を含む): 43892640

約数和(自身を除く): 22366496

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3911, 5504, 7822, 15644, 31288, 62576, 125152, 168173, 250304, 336346, 500608, 672692, 1345384, 2690768, 5381536, 10763072, 21526144]

約数ペア:

[(1, 21526144), (2, 10763072), (4, 5381536), (8, 2690768), (16, 1345384), (32, 672692), (43, 500608), (64, 336346), (86, 250304), (128, 168173), (172, 125152), (344, 62576), (688, 31288), (1376, 15644), (2752, 7822), (3911, 5504)]