21560172

素因数分解:

$2^2\times 3^1\times {\mathrm{1301}}^1\times {\mathrm{1381}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 50382192

約数和(自身を除く): 28822020

約数列:

[1, 2, 3, 4, 6, 12, 1301, 1381, 2602, 2762, 3903, 4143, 5204, 5524, 7806, 8286, 15612, 16572, 1796681, 3593362, 5390043, 7186724, 10780086, 21560172]

約数ペア:

[(1, 21560172), (2, 10780086), (3, 7186724), (4, 5390043), (6, 3593362), (12, 1796681), (1301, 16572), (1381, 15612), (2602, 8286), (2762, 7806), (3903, 5524), (4143, 5204)]