21055485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127609}}^1$

素因数の和:127628

約数の個数: 16

約数和(自身を含む): 36751680

約数和(自身を除く): 15696195

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127609, 382827, 638045, 1403699, 1914135, 4211097, 7018495, 21055485]

約数ペア:

[(1, 21055485), (3, 7018495), (5, 4211097), (11, 1914135), (15, 1403699), (33, 638045), (55, 382827), (165, 127609)]