21242166

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{321851}}^1$

素因数の和:321867

約数の個数: 16

約数和(自身を含む): 46346688

約数和(自身を除く): 25104522

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 321851, 643702, 965553, 1931106, 3540361, 7080722, 10621083, 21242166]

約数ペア:

[(1, 21242166), (2, 10621083), (3, 7080722), (6, 3540361), (11, 1931106), (22, 965553), (33, 643702), (66, 321851)]