21307648

素因数分解:

$2^8\times {\mathrm{83233}}^1$

素因数の和:83249

約数の個数: 18

約数和(自身を含む): 42532574

約数和(自身を除く): 21224926

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 83233, 166466, 332932, 665864, 1331728, 2663456, 5326912, 10653824, 21307648]

約数ペア:

[(1, 21307648), (2, 10653824), (4, 5326912), (8, 2663456), (16, 1331728), (32, 665864), (64, 332932), (128, 166466), (256, 83233)]