21723904

素因数分解:

$2^8\times {\mathrm{84859}}^1$

素因数の和:84875

約数の個数: 18

約数和(自身を含む): 43363460

約数和(自身を除く): 21639556

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84859, 169718, 339436, 678872, 1357744, 2715488, 5430976, 10861952, 21723904]

約数ペア:

[(1, 21723904), (2, 10861952), (4, 5430976), (8, 2715488), (16, 1357744), (32, 678872), (64, 339436), (128, 169718), (256, 84859)]