21228053

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16217}}^1$

素因数の和:16252

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 6796651

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16217, 113519, 178387, 275689, 1248709, 1929823, 3032579, 21228053]

約数ペア:

[(1, 21228053), (7, 3032579), (11, 1929823), (17, 1248709), (77, 275689), (119, 178387), (187, 113519), (1309, 16217)]