21693190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127607}}^1$

素因数の和:127631

約数の個数: 16

約数和(自身を含む): 41344992

約数和(自身を除く): 19651802

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 127607, 255214, 638035, 1276070, 2169319, 4338638, 10846595, 21693190]

約数ペア:

[(1, 21693190), (2, 10846595), (5, 4338638), (10, 2169319), (17, 1276070), (34, 638035), (85, 255214), (170, 127607)]