21127936

素因数分解:

$2^8\times {\mathrm{82531}}^1$

素因数の和:82547

約数の個数: 18

約数和(自身を含む): 42173852

約数和(自身を除く): 21045916

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 82531, 165062, 330124, 660248, 1320496, 2640992, 5281984, 10563968, 21127936]

約数ペア:

[(1, 21127936), (2, 10563968), (4, 5281984), (8, 2640992), (16, 1320496), (32, 660248), (64, 330124), (128, 165062), (256, 82531)]