21420130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93131}}^1$

素因数の和:93161

約数の個数: 16

約数和(自身を含む): 40233024

約数和(自身を除く): 18812894

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 93131, 186262, 465655, 931310, 2142013, 4284026, 10710065, 21420130]

約数ペア:

[(1, 21420130), (2, 10710065), (5, 4284026), (10, 2142013), (23, 931310), (46, 465655), (115, 186262), (230, 93131)]