21542912

素因数分解:

$2^{11}\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 43996680

約数和(自身を除く): 22453768

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 157, 256, 268, 314, 512, 536, 628, 1024, 1072, 1256, 2048, 2144, 2512, 4288, 5024, 8576, 10048, 10519, 17152, 20096, 21038, 34304, 40192, 42076, 68608, 80384, 84152, 137216, 160768, 168304, 321536, 336608, 673216, 1346432, 2692864, 5385728, 10771456, 21542912]

約数ペア:

[(1, 21542912), (2, 10771456), (4, 5385728), (8, 2692864), (16, 1346432), (32, 673216), (64, 336608), (67, 321536), (128, 168304), (134, 160768), (157, 137216), (256, 84152), (268, 80384), (314, 68608), (512, 42076), (536, 40192), (628, 34304), (1024, 21038), (1072, 20096), (1256, 17152), (2048, 10519), (2144, 10048), (2512, 8576), (4288, 5024)]