21679510

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{24359}}^1$

素因数の和:24455

約数の個数: 16

約数和(自身を含む): 39463200

約数和(自身を除く): 17783690

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 24359, 48718, 121795, 243590, 2167951, 4335902, 10839755, 21679510]

約数ペア:

[(1, 21679510), (2, 10839755), (5, 4335902), (10, 2167951), (89, 243590), (178, 121795), (445, 48718), (890, 24359)]