21996272

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25939}}^1$

素因数の和:26000

約数の個数: 20

約数和(自身を含む): 43423560

約数和(自身を除く): 21427288

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25939, 51878, 103756, 207512, 415024, 1374767, 2749534, 5499068, 10998136, 21996272]

約数ペア:

[(1, 21996272), (2, 10998136), (4, 5499068), (8, 2749534), (16, 1374767), (53, 415024), (106, 207512), (212, 103756), (424, 51878), (848, 25939)]