21038186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1171}}^1$

素因数の和:1877

約数の個数: 16

約数和(自身を含む): 34063008

約数和(自身を除く): 13024822

約数列:

[1, 2, 13, 26, 691, 1171, 1382, 2342, 8983, 15223, 17966, 30446, 809161, 1618322, 10519093, 21038186]

約数ペア:

[(1, 21038186), (2, 10519093), (13, 1618322), (26, 809161), (691, 30446), (1171, 17966), (1382, 15223), (2342, 8983)]