21187634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1601}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 34314840

約数和(自身を除く): 13127206

約数列:

[1, 2, 13, 26, 509, 1018, 1601, 3202, 6617, 13234, 20813, 41626, 814909, 1629818, 10593817, 21187634]

約数ペア:

[(1, 21187634), (2, 10593817), (13, 1629818), (26, 814909), (509, 41626), (1018, 20813), (1601, 13234), (3202, 6617)]