21937408

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1362

約数の個数: 36

約数和(自身を含む): 44477440

約数和(自身を除く): 22540032

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 536, 1072, 1279, 2144, 2558, 4288, 5116, 8576, 10232, 17152, 20464, 40928, 81856, 85693, 163712, 171386, 327424, 342772, 685544, 1371088, 2742176, 5484352, 10968704, 21937408]

約数ペア:

[(1, 21937408), (2, 10968704), (4, 5484352), (8, 2742176), (16, 1371088), (32, 685544), (64, 342772), (67, 327424), (128, 171386), (134, 163712), (256, 85693), (268, 81856), (536, 40928), (1072, 20464), (1279, 17152), (2144, 10232), (2558, 8576), (4288, 5116)]