21182973

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5573}}^1$

素因数の和:5764

約数の個数: 16

約数和(自身を含む): 32462976

約数和(自身を除く): 11280003

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5573, 16719, 39011, 117033, 1008713, 3026139, 7060991, 21182973]

約数ペア:

[(1, 21182973), (3, 7060991), (7, 3026139), (21, 1008713), (181, 117033), (543, 39011), (1267, 16719), (3801, 5573)]