21723392

素因数分解:

$2^8\times {\mathrm{84857}}^1$

素因数の和:84873

約数の個数: 18

約数和(自身を含む): 43362438

約数和(自身を除く): 21639046

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84857, 169714, 339428, 678856, 1357712, 2715424, 5430848, 10861696, 21723392]

約数ペア:

[(1, 21723392), (2, 10861696), (4, 5430848), (8, 2715424), (16, 1357712), (32, 678856), (64, 339428), (128, 169714), (256, 84857)]