21301504

素因数分解:

$2^8\times 7^1\times {\mathrm{11887}}^1$

素因数の和:11910

約数の個数: 36

約数和(自身を含む): 48598144

約数和(自身を除く): 27296640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11887, 23774, 47548, 83209, 95096, 166418, 190192, 332836, 380384, 665672, 760768, 1331344, 1521536, 2662688, 3043072, 5325376, 10650752, 21301504]

約数ペア:

[(1, 21301504), (2, 10650752), (4, 5325376), (7, 3043072), (8, 2662688), (14, 1521536), (16, 1331344), (28, 760768), (32, 665672), (56, 380384), (64, 332836), (112, 190192), (128, 166418), (224, 95096), (256, 83209), (448, 47548), (896, 23774), (1792, 11887)]