21122296

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 45457200

約数和(自身を除く): 24334904

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 884, 919, 1352, 1768, 1838, 2873, 3676, 5746, 7352, 11492, 11947, 15623, 22984, 23894, 31246, 47788, 62492, 95576, 124984, 155311, 203099, 310622, 406198, 621244, 812396, 1242488, 1624792, 2640287, 5280574, 10561148, 21122296]

約数ペア:

[(1, 21122296), (2, 10561148), (4, 5280574), (8, 2640287), (13, 1624792), (17, 1242488), (26, 812396), (34, 621244), (52, 406198), (68, 310622), (104, 203099), (136, 155311), (169, 124984), (221, 95576), (338, 62492), (442, 47788), (676, 31246), (884, 23894), (919, 22984), (1352, 15623), (1768, 11947), (1838, 11492), (2873, 7352), (3676, 5746)]