21332090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164093}}^1$

素因数の和:164113

約数の個数: 16

約数和(自身を含む): 41351688

約数和(自身を除く): 20019598

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 164093, 328186, 820465, 1640930, 2133209, 4266418, 10666045, 21332090]

約数ペア:

[(1, 21332090), (2, 10666045), (5, 4266418), (10, 2133209), (13, 1640930), (26, 820465), (65, 328186), (130, 164093)]