21623605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 26745264

約数和(自身を除く): 5121659

約数列:

[1, 5, 41, 205, 313, 337, 1565, 1685, 12833, 13817, 64165, 69085, 105481, 527405, 4324721, 21623605]

約数ペア:

[(1, 21623605), (5, 4324721), (41, 527405), (205, 105481), (313, 69085), (337, 64165), (1565, 13817), (1685, 12833)]