21323731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3637}}^1$

素因数の和:3702

約数の個数: 16

約数和(自身を含む): 25669728

約数和(自身を除く): 4345997

約数列:

[1, 11, 13, 41, 143, 451, 533, 3637, 5863, 40007, 47281, 149117, 520091, 1640287, 1938521, 21323731]

約数ペア:

[(1, 21323731), (11, 1938521), (13, 1640287), (41, 520091), (143, 149117), (451, 47281), (533, 40007), (3637, 5863)]