21033904

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14771}}^1$

素因数の和:14868

約数の個数: 20

約数和(自身を含む): 41213880

約数和(自身を除く): 20179976

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14771, 29542, 59084, 118168, 236336, 1314619, 2629238, 5258476, 10516952, 21033904]

約数ペア:

[(1, 21033904), (2, 10516952), (4, 5258476), (8, 2629238), (16, 1314619), (89, 236336), (178, 118168), (356, 59084), (712, 29542), (1424, 14771)]