21025990

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{56827}}^1$

素因数の和:56871

約数の個数: 16

約数和(自身を含む): 38870352

約数和(自身を除く): 17844362

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 56827, 113654, 284135, 568270, 2102599, 4205198, 10512995, 21025990]

約数ペア:

[(1, 21025990), (2, 10512995), (5, 4205198), (10, 2102599), (37, 568270), (74, 284135), (185, 113654), (370, 56827)]