21021310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91397}}^1$

素因数の和:91427

約数の個数: 16

約数和(自身を含む): 39483936

約数和(自身を除く): 18462626

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91397, 182794, 456985, 913970, 2102131, 4204262, 10510655, 21021310]

約数ペア:

[(1, 21021310), (2, 10510655), (5, 4204262), (10, 2102131), (23, 913970), (46, 456985), (115, 182794), (230, 91397)]