21576591

素因数分解:

$3^3\times {\mathrm{823}}^1\times {\mathrm{971}}^1$

素因数の和:1803

約数の個数: 16

約数和(自身を含む): 32037120

約数和(自身を除く): 10460529

約数列:

[1, 3, 9, 27, 823, 971, 2469, 2913, 7407, 8739, 22221, 26217, 799133, 2397399, 7192197, 21576591]

約数ペア:

[(1, 21576591), (3, 7192197), (9, 2397399), (27, 799133), (823, 26217), (971, 22221), (2469, 8739), (2913, 7407)]