21189882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504521}}^1$

素因数の和:504533

約数の個数: 16

約数和(自身を含む): 48434112

約数和(自身を除く): 27244230

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504521, 1009042, 1513563, 3027126, 3531647, 7063294, 10594941, 21189882]

約数ペア:

[(1, 21189882), (2, 10594941), (3, 7063294), (6, 3531647), (7, 3027126), (14, 1513563), (21, 1009042), (42, 504521)]