21089706

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{319541}}^1$

素因数の和:319557

約数の個数: 16

約数和(自身を含む): 46014048

約数和(自身を除く): 24924342

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 319541, 639082, 958623, 1917246, 3514951, 7029902, 10544853, 21089706]

約数ペア:

[(1, 21089706), (2, 10544853), (3, 7029902), (6, 3514951), (11, 1917246), (22, 958623), (33, 639082), (66, 319541)]