21093663

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{619}}^1$

素因数の和:966

約数の個数: 16

約数和(自身を含む): 29025920

約数和(自身を除く): 7932257

約数列:

[1, 3, 37, 111, 307, 619, 921, 1857, 11359, 22903, 34077, 68709, 190033, 570099, 7031221, 21093663]

約数ペア:

[(1, 21093663), (3, 7031221), (37, 570099), (111, 190033), (307, 68709), (619, 34077), (921, 22903), (1857, 11359)]