21888843

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{5171}}^1$

素因数の和:5274

約数の個数: 16

約数和(自身を含む): 31280256

約数和(自身を除く): 9391413

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 5171, 15513, 87907, 263721, 429193, 1287579, 7296281, 21888843]

約数ペア:

[(1, 21888843), (3, 7296281), (17, 1287579), (51, 429193), (83, 263721), (249, 87907), (1411, 15513), (4233, 5171)]