21480294

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{325459}}^1$

素因数の和:325475

約数の個数: 16

約数和(自身を含む): 46866240

約数和(自身を除く): 25385946

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 325459, 650918, 976377, 1952754, 3580049, 7160098, 10740147, 21480294]

約数ペア:

[(1, 21480294), (2, 10740147), (3, 7160098), (6, 3580049), (11, 1952754), (22, 976377), (33, 650918), (66, 325459)]