21483244

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 38253600

約数和(自身を除く): 16770356

約数列:

[1, 2, 4, 137, 197, 199, 274, 394, 398, 548, 788, 796, 26989, 27263, 39203, 53978, 54526, 78406, 107956, 109052, 156812, 5370811, 10741622, 21483244]

約数ペア:

[(1, 21483244), (2, 10741622), (4, 5370811), (137, 156812), (197, 109052), (199, 107956), (274, 78406), (394, 54526), (398, 53978), (548, 39203), (788, 27263), (796, 26989)]