21570297968

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{4252819}}^1$

素因数の和:4253144

約数の個数: 20

約数和(自身を含む): 41924299560

約数和(自身を除く): 20354001592

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 4252819, 8505638, 17011276, 34022552, 68045104, 1348143623, 2696287246, 5392574492, 10785148984, 21570297968]

約数ペア:

[(1, 21570297968), (2, 10785148984), (4, 5392574492), (8, 2696287246), (16, 1348143623), (317, 68045104), (634, 34022552), (1268, 17011276), (2536, 8505638), (5072, 4252819)]