21016576

素因数分解:

$2^{12}\times 7^1\times {\mathrm{733}}^1$

素因数の和:764

約数の個数: 52

約数和(自身を含む): 48097552

約数和(自身を除く): 27080976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 733, 896, 1024, 1466, 1792, 2048, 2932, 3584, 4096, 5131, 5864, 7168, 10262, 11728, 14336, 20524, 23456, 28672, 41048, 46912, 82096, 93824, 164192, 187648, 328384, 375296, 656768, 750592, 1313536, 1501184, 2627072, 3002368, 5254144, 10508288, 21016576]

約数ペア:

[(1, 21016576), (2, 10508288), (4, 5254144), (7, 3002368), (8, 2627072), (14, 1501184), (16, 1313536), (28, 750592), (32, 656768), (56, 375296), (64, 328384), (112, 187648), (128, 164192), (224, 93824), (256, 82096), (448, 46912), (512, 41048), (733, 28672), (896, 23456), (1024, 20524), (1466, 14336), (1792, 11728), (2048, 10262), (2932, 7168), (3584, 5864), (4096, 5131)]