21898329

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7039}}^1$

素因数の和:7120

約数の個数: 16

約数和(自身を含む): 31426560

約数和(自身を除く): 9528231

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 7039, 21117, 119663, 358989, 429379, 1288137, 7299443, 21898329]

約数ペア:

[(1, 21898329), (3, 7299443), (17, 1288137), (51, 429379), (61, 358989), (183, 119663), (1037, 21117), (3111, 7039)]