21928089

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 30381120

約数和(自身を除く): 8453031

約数列:

[1, 3, 29, 87, 307, 821, 921, 2463, 8903, 23809, 26709, 71427, 252047, 756141, 7309363, 21928089]

約数ペア:

[(1, 21928089), (3, 7309363), (29, 756141), (87, 252047), (307, 71427), (821, 26709), (921, 23809), (2463, 8903)]