21165570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{283}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 56845440

約数和(自身を除く): 35679870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 277, 283, 554, 566, 831, 849, 1385, 1415, 1662, 1698, 2493, 2547, 2770, 2830, 4155, 4245, 4986, 5094, 7479, 7641, 8310, 8490, 12465, 12735, 14958, 15282, 24930, 25470, 37395, 38205, 74790, 76410, 78391, 156782, 235173, 391955, 470346, 705519, 783910, 1175865, 1411038, 2116557, 2351730, 3527595, 4233114, 7055190, 10582785, 21165570]

約数ペア:

[(1, 21165570), (2, 10582785), (3, 7055190), (5, 4233114), (6, 3527595), (9, 2351730), (10, 2116557), (15, 1411038), (18, 1175865), (27, 783910), (30, 705519), (45, 470346), (54, 391955), (90, 235173), (135, 156782), (270, 78391), (277, 76410), (283, 74790), (554, 38205), (566, 37395), (831, 25470), (849, 24930), (1385, 15282), (1415, 14958), (1662, 12735), (1698, 12465), (2493, 8490), (2547, 8310), (2770, 7641), (2830, 7479), (4155, 5094), (4245, 4986)]