21890598

素因数分解:

$2^1\times 3^1\times {\mathrm{647}}^1\times {\mathrm{5639}}^1$

素因数の和:6291

約数の個数: 16

約数和(自身を含む): 43856640

約数和(自身を除く): 21966042

約数列:

[1, 2, 3, 6, 647, 1294, 1941, 3882, 5639, 11278, 16917, 33834, 3648433, 7296866, 10945299, 21890598]

約数ペア:

[(1, 21890598), (2, 10945299), (3, 7296866), (6, 3648433), (647, 33834), (1294, 16917), (1941, 11278), (3882, 5639)]