21013004

素因数分解:

$2^2\times {\mathrm{1117}}^1\times {\mathrm{4703}}^1$

素因数の和:5824

約数の個数: 12

約数和(自身を含む): 36813504

約数和(自身を除く): 15800500

約数列:

[1, 2, 4, 1117, 2234, 4468, 4703, 9406, 18812, 5253251, 10506502, 21013004]

約数ペア:

[(1, 21013004), (2, 10506502), (4, 5253251), (1117, 18812), (2234, 9406), (4468, 4703)]