21397504

素因数分解:

$2^{15}\times {\mathrm{653}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 42859890

約数和(自身を除く): 21462386

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 653, 1024, 1306, 2048, 2612, 4096, 5224, 8192, 10448, 16384, 20896, 32768, 41792, 83584, 167168, 334336, 668672, 1337344, 2674688, 5349376, 10698752, 21397504]

約数ペア:

[(1, 21397504), (2, 10698752), (4, 5349376), (8, 2674688), (16, 1337344), (32, 668672), (64, 334336), (128, 167168), (256, 83584), (512, 41792), (653, 32768), (1024, 20896), (1306, 16384), (2048, 10448), (2612, 8192), (4096, 5224)]