21615897

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5669}}^1$

素因数の和:5744

約数の個数: 16

約数和(自身を含む): 30481920

約数和(自身を除く): 8866023

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5669, 17007, 175739, 232429, 527217, 697287, 7205299, 21615897]

約数ペア:

[(1, 21615897), (3, 7205299), (31, 697287), (41, 527217), (93, 232429), (123, 175739), (1271, 17007), (3813, 5669)]