21111434

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2089}}^1$

素因数の和:2285

約数の個数: 16

約数和(自身を含む): 32904960

約数和(自身を除く): 11793526

約数列:

[1, 2, 31, 62, 163, 326, 2089, 4178, 5053, 10106, 64759, 129518, 340507, 681014, 10555717, 21111434]

約数ペア:

[(1, 21111434), (2, 10555717), (31, 681014), (62, 340507), (163, 129518), (326, 64759), (2089, 10106), (4178, 5053)]