21095697

素因数分解:

$3^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1741}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 32220032

約数和(自身を除く): 11124335

約数列:

[1, 3, 7, 21, 577, 1731, 1741, 4039, 5223, 12117, 12187, 36561, 1004557, 3013671, 7031899, 21095697]

約数ペア:

[(1, 21095697), (3, 7031899), (7, 3013671), (21, 1004557), (577, 36561), (1731, 12187), (1741, 12117), (4039, 5223)]