21630363

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{587}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 29465856

約数和(自身を除く): 7835493

約数列:

[1, 3, 71, 173, 213, 519, 587, 1761, 12283, 36849, 41677, 101551, 125031, 304653, 7210121, 21630363]

約数ペア:

[(1, 21630363), (3, 7210121), (71, 304653), (173, 125031), (213, 101551), (519, 41677), (587, 36849), (1761, 12283)]