21048872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{202393}}^1$

素因数の和:202412

約数の個数: 16

約数和(自身を含む): 42502740

約数和(自身を除く): 21453868

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 202393, 404786, 809572, 1619144, 2631109, 5262218, 10524436, 21048872]

約数ペア:

[(1, 21048872), (2, 10524436), (4, 5262218), (8, 2631109), (13, 1619144), (26, 809572), (52, 404786), (104, 202393)]