21493382

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1669}}^1$

素因数の和:1855

約数の個数: 16

約数和(自身を含む): 33186240

約数和(自身を除く): 11692858

約数列:

[1, 2, 47, 94, 137, 274, 1669, 3338, 6439, 12878, 78443, 156886, 228653, 457306, 10746691, 21493382]

約数ペア:

[(1, 21493382), (2, 10746691), (47, 457306), (94, 228653), (137, 156886), (274, 78443), (1669, 12878), (3338, 6439)]