21590127

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1453}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 33872384

約数和(自身を除く): 12282257

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1453, 1651, 4359, 4953, 13077, 14859, 18889, 56667, 170001, 184531, 553593, 1660779, 2398903, 7196709, 21590127]

約数ペア:

[(1, 21590127), (3, 7196709), (9, 2398903), (13, 1660779), (39, 553593), (117, 184531), (127, 170001), (381, 56667), (1143, 18889), (1453, 14859), (1651, 13077), (4359, 4953)]