21805170176

素因数分解:

$2^9\times {\mathrm{149}}^1\times {\mathrm{285827}}^1$

素因数の和:285994

約数の個数: 40

約数和(自身を含む): 43860306600

約数和(自身を除く): 22055136424

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 256, 298, 512, 596, 1192, 2384, 4768, 9536, 19072, 38144, 76288, 285827, 571654, 1143308, 2286616, 4573232, 9146464, 18292928, 36585856, 42588223, 73171712, 85176446, 146343424, 170352892, 340705784, 681411568, 1362823136, 2725646272, 5451292544, 10902585088, 21805170176]

約数ペア:

[(1, 21805170176), (2, 10902585088), (4, 5451292544), (8, 2725646272), (16, 1362823136), (32, 681411568), (64, 340705784), (128, 170352892), (149, 146343424), (256, 85176446), (298, 73171712), (512, 42588223), (596, 36585856), (1192, 18292928), (2384, 9146464), (4768, 4573232), (9536, 2286616), (19072, 1143308), (38144, 571654), (76288, 285827)]