21299057

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1627}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 24615360

約数和(自身を除く): 3316303

約数列:

[1, 13, 19, 53, 247, 689, 1007, 1627, 13091, 21151, 30913, 86231, 401869, 1121003, 1638389, 21299057]

約数ペア:

[(1, 21299057), (13, 1638389), (19, 1121003), (53, 401869), (247, 86231), (689, 30913), (1007, 21151), (1627, 13091)]