21201024004

素因数分解:

$2^2\times {\mathrm{281}}^1\times {\mathrm{18862121}}^1$

素因数の和:18862406

約数の個数: 12

約数和(自身を含む): 37233828828

約数和(自身を除く): 16032804824

約数列:

[1, 2, 4, 281, 562, 1124, 18862121, 37724242, 75448484, 5300256001, 10600512002, 21201024004]

約数ペア:

[(1, 21201024004), (2, 10600512002), (4, 5300256001), (281, 75448484), (562, 37724242), (1124, 18862121)]