21718397

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 23181312

約数和(自身を除く): 1462915

約数列:

[1, 41, 43, 97, 127, 1763, 3977, 4171, 5207, 5461, 12319, 171011, 223901, 505079, 529717, 21718397]

約数ペア:

[(1, 21718397), (41, 529717), (43, 505079), (97, 223901), (127, 171011), (1763, 12319), (3977, 5461), (4171, 5207)]