21451089

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{6311}}^1$

素因数の和:6428

約数の個数: 16

約数和(自身を含む): 31509504

約数和(自身を除く): 10058415

約数列:

[1, 3, 11, 33, 103, 309, 1133, 3399, 6311, 18933, 69421, 208263, 650033, 1950099, 7150363, 21451089]

約数ペア:

[(1, 21451089), (3, 7150363), (11, 1950099), (33, 650033), (103, 208263), (309, 69421), (1133, 18933), (3399, 6311)]