21031607259

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{3119}}^1\times {\mathrm{19211}}^1$

素因数の和:22352

約数の個数: 32

約数和(自身を含む): 33567206400

約数和(自身を除く): 12535599141

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 3119, 9357, 19211, 28071, 40547, 57633, 84213, 121641, 172899, 249743, 364923, 518697, 749229, 1094769, 2247687, 6743061, 59919109, 179757327, 539271981, 778948417, 1617815943, 2336845251, 7010535753, 21031607259]

約数ペア:

[(1, 21031607259), (3, 7010535753), (9, 2336845251), (13, 1617815943), (27, 778948417), (39, 539271981), (117, 179757327), (351, 59919109), (3119, 6743061), (9357, 2247687), (19211, 1094769), (28071, 749229), (40547, 518697), (57633, 364923), (84213, 249743), (121641, 172899)]