21660999

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{811}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 30011520

約数和(自身を除く): 8350521

約数列:

[1, 3, 29, 87, 307, 811, 921, 2433, 8903, 23519, 26709, 70557, 248977, 746931, 7220333, 21660999]

約数ペア:

[(1, 21660999), (3, 7220333), (29, 746931), (87, 248977), (307, 70557), (811, 26709), (921, 23519), (2433, 8903)]