21356127

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1093}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 33450144

約数和(自身を除く): 12094017

約数列:

[1, 3, 9, 13, 39, 117, 167, 501, 1093, 1503, 2171, 3279, 6513, 9837, 14209, 19539, 42627, 127881, 182531, 547593, 1642779, 2372903, 7118709, 21356127]

約数ペア:

[(1, 21356127), (3, 7118709), (9, 2372903), (13, 1642779), (39, 547593), (117, 182531), (167, 127881), (501, 42627), (1093, 19539), (1503, 14209), (2171, 9837), (3279, 6513)]