21704570

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{58661}}^1$

素因数の和:58705

約数の個数: 16

約数和(自身を含む): 40124808

約数和(自身を除く): 18420238

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 58661, 117322, 293305, 586610, 2170457, 4340914, 10852285, 21704570]

約数ペア:

[(1, 21704570), (2, 10852285), (5, 4340914), (10, 2170457), (37, 586610), (74, 293305), (185, 117322), (370, 58661)]