21074433

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{607}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 28717056

約数和(自身を除く): 7642623

約数列:

[1, 3, 71, 163, 213, 489, 607, 1821, 11573, 34719, 43097, 98941, 129291, 296823, 7024811, 21074433]

約数ペア:

[(1, 21074433), (3, 7024811), (71, 296823), (163, 129291), (213, 98941), (489, 43097), (607, 34719), (1821, 11573)]