21330776

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91943}}^1$

素因数の和:91978

約数の個数: 16

約数和(自身を含む): 41374800

約数和(自身を除く): 20044024

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91943, 183886, 367772, 735544, 2666347, 5332694, 10665388, 21330776]

約数ペア:

[(1, 21330776), (2, 10665388), (4, 5332694), (8, 2666347), (29, 735544), (58, 367772), (116, 183886), (232, 91943)]