21000369687

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1449601}}^1$

素因数の和:1450054

約数の個数: 16

約数和(自身を含む): 30615594240

約数和(自身を除く): 9615224553

約数列:

[1, 3, 11, 33, 439, 1317, 4829, 14487, 1449601, 4348803, 15945611, 47836833, 636374839, 1909124517, 7000123229, 21000369687]

約数ペア:

[(1, 21000369687), (3, 7000123229), (11, 1909124517), (33, 636374839), (439, 47836833), (1317, 15945611), (4829, 4348803), (14487, 1449601)]