21193728

素因数分解:

$2^{10}\times 3^1\times {\mathrm{6899}}^1$

素因数の和:6922

約数の個数: 44

約数和(自身を含む): 56497200

約数和(自身を除く): 35303472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 3072, 6899, 13798, 20697, 27596, 41394, 55192, 82788, 110384, 165576, 220768, 331152, 441536, 662304, 883072, 1324608, 1766144, 2649216, 3532288, 5298432, 7064576, 10596864, 21193728]

約数ペア:

[(1, 21193728), (2, 10596864), (3, 7064576), (4, 5298432), (6, 3532288), (8, 2649216), (12, 1766144), (16, 1324608), (24, 883072), (32, 662304), (48, 441536), (64, 331152), (96, 220768), (128, 165576), (192, 110384), (256, 82788), (384, 55192), (512, 41394), (768, 27596), (1024, 20697), (1536, 13798), (3072, 6899)]