21620886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{514783}}^1$

素因数の和:514795

約数の個数: 16

約数和(自身を含む): 49419264

約数和(自身を除く): 27798378

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 514783, 1029566, 1544349, 3088698, 3603481, 7206962, 10810443, 21620886]

約数ペア:

[(1, 21620886), (2, 10810443), (3, 7206962), (6, 3603481), (7, 3088698), (14, 1544349), (21, 1029566), (42, 514783)]