21785274

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19211}}^1$

素因数の和:19232

約数の個数: 40

約数和(自身を含む): 55791648

約数和(自身を除く): 34006374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 19211, 38422, 57633, 115266, 134477, 172899, 268954, 345798, 403431, 518697, 806862, 1037394, 1210293, 1556091, 2420586, 3112182, 3630879, 7261758, 10892637, 21785274]

約数ペア:

[(1, 21785274), (2, 10892637), (3, 7261758), (6, 3630879), (7, 3112182), (9, 2420586), (14, 1556091), (18, 1210293), (21, 1037394), (27, 806862), (42, 518697), (54, 403431), (63, 345798), (81, 268954), (126, 172899), (162, 134477), (189, 115266), (378, 57633), (567, 38422), (1134, 19211)]