21003702904

素因数分解:

$2^3\times {\mathrm{1153}}^1\times {\mathrm{2277071}}^1$

素因数の和:2278230

約数の個数: 16

約数和(自身を含む): 39416116320

約数和(自身を除く): 18412413416

約数列:

[1, 2, 4, 8, 1153, 2306, 4612, 9224, 2277071, 4554142, 9108284, 18216568, 2625462863, 5250925726, 10501851452, 21003702904]

約数ペア:

[(1, 21003702904), (2, 10501851452), (4, 5250925726), (8, 2625462863), (1153, 18216568), (2306, 9108284), (4612, 4554142), (9224, 2277071)]